{
  "css": {
    "at-rules": {
      "media": {
        "__compat": {
          "description": "<code>@media</code>",
          "mdn_url": "https://developer.mozilla.org/docs/Web/CSS/@media",
          "support": {
            "chrome": {
              "version_added": "1"
            },
            "chrome_android": {
              "version_added": "18"
            },
            "edge": {
              "version_added": "12"
            },
            "firefox": {
              "version_added": "1"
            },
            "firefox_android": {
              "version_added": "4"
            },
            "ie": {
              "version_added": "6"
            },
            "opera": {
              "version_added": "9.2"
            },
            "opera_android": {
              "version_added": "10.1"
            },
            "safari": {
              "version_added": "1.3"
            },
            "safari_ios": {
              "version_added": "1"
            },
            "samsunginternet_android": {
              "version_added": "1.0"
            },
            "webview_android": {
              "version_added": "1"
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        },
        "any-hover": {
          "__compat": {
            "mdn_url": "https://developer.mozilla.org/docs/Web/CSS/@media/any-hover",
            "description": "<code>any-hover</code> media feature",
            "support": {
              "chrome": {
                "version_added": "41"
              },
              "chrome_android": {
                "version_added": "41"
              },
              "edge": {
                "version_added": "16"
              },
              "firefox": {
                "version_added": "64"
              },
              "firefox_android": {
                "version_added": "64"
              },
              "ie": {
                "version_added": false
              },
              "opera": {
                "version_added": "28"
              },
              "opera_android": {
                "version_added": "28"
              },
              "safari": {
                "version_added": "9"
              },
              "safari_ios": {
                "version_added": "9"
              },
              "samsunginternet_android": {
                "version_added": "5.0"
              },
              "webview_android": {
                "version_added": "41"
              }
            },
            "status": {
              "experimental": false,
              "standard_track": true,
              "deprecated": false
            }
          }
        },
        "any-pointer": {
          "__compat": {
            "mdn_url": "https://developer.mozilla.org/docs/Web/CSS/@media/any-pointer",
            "description": "<code>any-pointer</code> media feature",
            "support": {
              "chrome": {
                "version_added": "41"
              },
              "chrome_android": {
                "version_added": "41"
              },
              "edge": {
                "version_added": "12"
              },
              "firefox": {
                "version_added": "64"
              },
              "firefox_android": {
                "version_added": "64"
              },
              "ie": {
                "version_added": false
              },
              "opera": {
                "version_added": "28"
              },
              "opera_android": {
                "version_added": "28"
              },
              "safari": {
                "version_added": "9"
              },
              "safari_ios": {
                "version_added": "9"
              },
              "samsunginternet_android": {
                "version_added": "4.0"
              },
              "webview_android": {
                "version_added": "41"
              }
            },
            "status": {
              "experimental": false,
              "standard_track": true,
              "deprecated": false
            }
          }
        },
        "aspect-ratio": {
          "__compat": {
            "description": "<code>aspect-ratio</code> media feature",
            "mdn_url": "https://developer.mozilla.org/docs/Web/CSS/@media/aspect-ratio",
            "support": {
              "chrome": {
                "version_added": "3"
              },
              "chrome_android": {
                "version_added": "18"
              },
              "edge": {
                "version_added": "12"
              },
              "firefox": {
                "version_added": "3.5"
              },
              "firefox_android": {
                "version_added": "4"
              },
              "ie": {
                "version_added": "9"
              },
              "opera": {
                "version_added": "10"
              },
              "opera_android": {
                "version_added": "10.1"
              },
              "safari": {
                "version_added": "5"
              },
              "safari_ios": {
                "version_added": "4.2"
              },
              "samsunginternet_android": {
                "version_added": "1.0"
              },
              "webview_android": {
                "version_added": "≤37"
              }
            },
            "status": {
              "experimental": false,
              "standard_track": true,
              "deprecated": false
            }
          }
        },
        "calc": {
          "__compat": {
            "description": "<code>calc()</code> expressions",
            "mdn_url": "https://developer.mozilla.org/docs/Web/CSS/calc",
            "support": {
              "chrome": {
                "version_added": "66"
              },
              "chrome_android": {
                "version_added": "66"
              },
              "edge": {
                "version_added": "79"
              },
              "firefox": {
                "version_added": "59"
              },
              "firefox_android": {
                "version_added": "59"
              },
              "ie": {
                "version_added": false
              },
              "opera": {
                "version_added": "53"
              },
              "opera_android": {
                "version_added": "47"
              },
              "safari": {
                "version_added": "12"
              },
              "safari_ios": {
                "version_added": "12"
              },
              "samsunginternet_android": {
                "version_added": "9.0"
              },
              "webview_android": {
                "version_added": "66"
              }
            },
            "status": {
              "experimental": false,
              "standard_track": true,
              "deprecated": false
            }
          }
        },
        "color": {
          "__compat": {
            "description": "<code>color</code> media feature",
            "mdn_url": "https://developer.mozilla.org/docs/Web/CSS/@media/color",
            "support": {
              "chrome": {
                "version_added": "1"
              },
              "chrome_android": {
                "version_added": "18"
              },
              "edge": {
                "version_added": "12"
              },
              "firefox": {
                "version_added": "2"
              },
              "firefox_android": {
                "version_added": "4"
              },
              "ie": {
                "version_added": "9"
              },
              "opera": {
                "version_added": "10"
              },
              "opera_android": {
                "version_added": "10.1"
              },
              "safari": {
                "version_added": "3"
              },
              "safari_ios": {
                "version_added": "1"
              },
              "samsunginternet_android": {
                "version_added": "1.0"
              },
              "webview_android": {
                "version_added": "≤37"
              }
            },
            "status": {
              "experimental": false,
              "standard_track": true,
              "deprecated": false
            }
          }
        },
        "color-gamut": {
          "__compat": {
            "description": "<code>color-gamut</code> media feature",
            "mdn_url": "https://developer.mozilla.org/docs/Web/CSS/@media/color-gamut",
            "support": {
              "chrome": {
                "version_added": "58"
              },
              "chrome_android": {
                "version_added": "58"
              },
              "edge": {
                "version_added": "79"
              },
              "firefox": {
                "version_added": false
              },
              "firefox_android": {
                "version_added": false
              },
              "ie": {
                "version_added": false
              },
              "opera": {
                "version_added": "45"
              },
              "opera_android": {
                "version_added": "43"
              },
              "safari": {
                "version_added": "10"
              },
              "safari_ios": {
                "version_added": "10"
              },
              "samsunginternet_android": {
                "version_added": "7.0"
              },
              "webview_android": {
                "version_added": "58"
              }
            },
            "status": {
              "experimental": false,
              "standard_track": true,
              "deprecated": false
            }
          }
        },
        "color-index": {
          "__compat": {
            "description": "<code>color-index</code> media feature",
            "mdn_url": "https://developer.mozilla.org/docs/Web/CSS/@media/color-index",
            "support": {
              "chrome": {
                "version_added": "29"
              },
              "chrome_android": {
                "version_added": "29"
              },
              "edge": {
                "version_added": "79"
              },
              "firefox": {
                "version_added": false
              },
              "firefox_android": {
                "version_added": false
              },
              "ie": {
                "version_added": false
              },
              "opera": {
                "version_added": "16"
              },
              "opera_android": {
                "version_added": "16"
              },
              "safari": {
                "version_added": "8"
              },
              "safari_ios": {
                "version_added": "8"
              },
              "samsunginternet_android": {
                "version_added": "2.0"
              },
              "webview_android": {
                "version_added": "≤37"
              }
            },
            "status": {
              "experimental": false,
              "standard_track": true,
              "deprecated": false
            }
          }
        },
        "device-aspect-ratio": {
          "__compat": {
            "description": "<code>device-aspect-ratio</code> media feature",
            "mdn_url": "https://developer.mozilla.org/docs/Web/CSS/@media/device-aspect-ratio",
            "support": {
              "chrome": {
                "version_added": "1"
              },
              "chrome_android": {
                "version_added": "18"
              },
              "edge": {
                "version_added": "12"
              },
              "firefox": {
                "version_added": "2"
              },
              "firefox_android": {
                "version_added": "4"
              },
              "ie": {
                "version_added": "9"
              },
              "opera": {
                "version_added": "10"
              },
              "opera_android": {
                "version_added": "10.1"
              },
              "safari": {
                "version_added": "3"
              },
              "safari_ios": {
                "version_added": "1"
              },
              "samsunginternet_android": {
                "version_added": "1.0"
              },
              "webview_android": {
                "version_added": "≤37"
              }
            },
            "status": {
              "experimental": false,
              "standard_track": false,
              "deprecated": true
            }
          }
        },
        "device-height": {
          "__compat": {
            "description": "<code>device-height</code> media feature",
            "mdn_url": "https://developer.mozilla.org/docs/Web/CSS/@media/device-height",
            "support": {
              "chrome": {
                "version_added": "1"
              },
              "chrome_android": {
                "version_added": "18"
              },
              "edge": {
                "version_added": "12"
              },
              "firefox": {
                "version_added": "2"
              },
              "firefox_android": {
                "version_added": "4"
              },
              "ie": {
                "version_added": "9"
              },
              "opera": {
                "version_added": "10"
              },
              "opera_android": {
                "version_added": "10.1"
              },
              "safari": {
                "version_added": "3"
              },
              "safari_ios": {
                "version_added": "1"
              },
              "samsunginternet_android": {
                "version_added": "1.0"
              },
              "webview_android": {
                "version_added": "≤37"
              }
            },
            "status": {
              "experimental": false,
              "standard_track": false,
              "deprecated": true
            }
          }
        },
        "device-width": {
          "__compat": {
            "description": "<code>device-width</code> media feature",
            "mdn_url": "https://developer.mozilla.org/docs/Web/CSS/@media/device-width",
            "support": {
              "chrome": {
                "version_added": "1"
              },
              "chrome_android": {
                "version_added": "18"
              },
              "edge": {
                "version_added": "12"
              },
              "firefox": {
                "version_added": "2"
              },
              "firefox_android": {
                "version_added": "4"
              },
              "ie": {
                "version_added": "9"
              },
              "opera": {
                "version_added": "10"
              },
              "opera_android": {
                "version_added": "10.1"
              },
              "safari": {
                "version_added": "3"
              },
              "safari_ios": {
                "version_added": "1"
              },
              "samsunginternet_android": {
                "version_added": "1.0"
              },
              "webview_android": {
                "version_added": "≤37"
              }
            },
            "status": {
              "experimental": false,
              "standard_track": false,
              "deprecated": true
            }
          }
        },
        "display-mode": {
          "__compat": {
            "description": "<code>display-mode</code> media feature",
            "mdn_url": "https://developer.mozilla.org/docs/Web/CSS/@media/display-mode",
            "support": {
              "chrome": {
                "version_added": "45"
              },
              "chrome_android": {
                "version_added": "45"
              },
              "edge": {
                "version_added": "79"
              },
              "firefox": {
                "version_added": "47",
                "notes": "Firefox 47 and later support <code>display-mode</code> values <code>fullscreen</code> and <code>browser</code>. Firefox 57 added support for <code>minimal-ui</code> and <code>standalone</code> values."
              },
              "firefox_android": {
                "version_added": "47",
                "notes": "Firefox 47 and later support <code>display-mode</code> values <code>fullscreen</code> and <code>browser</code>. Firefox 57 added support for <code>minimal-ui</code> and <code>standalone</code> values."
              },
              "ie": {
                "version_added": false
              },
              "opera": {
                "version_added": "32"
              },
              "opera_android": {
                "version_added": "32"
              },
              "safari": {
                "version_added": "13"
              },
              "safari_ios": {
                "version_added": "13"
              },
              "samsunginternet_android": {
                "version_added": "5.0"
              },
              "webview_android": {
                "version_added": "45"
              }
            },
            "status": {
              "experimental": false,
              "standard_track": true,
              "deprecated": false
            }
          }
        },
        "forced-colors": {
          "__compat": {
            "description": "<code>forced-colors</code> media feature",
            "mdn_url": "https://developer.mozilla.org/docs/Web/CSS/@media/forced-colors",
            "support": {
              "chrome": {
                "version_added": false,
                "notes": "See <a href='https://crbug.com/970285'>bug 970285</a>."
              },
              "chrome_android": {
                "version_added": false,
                "notes": "See <a href='https://crbug.com/970285'>bug 970285</a>."
              },
              "edge": {
                "version_added": false,
                "notes": "See <a href='https://crbug.com/970285'>bug 970285</a>."
              },
              "firefox": {
                "version_added": false
              },
              "firefox_android": {
                "version_added": false
              },
              "ie": {
                "version_added": false
              },
              "opera": {
                "version_added": false
              },
              "opera_android": {
                "version_added": false
              },
              "safari": {
                "version_added": false
              },
              "safari_ios": {
                "version_added": false
              },
              "samsunginternet_android": {
                "version_added": false
              },
              "webview_android": {
                "version_added": false,
                "notes": "See <a href='https://crbug.com/970285'>bug 970285</a>."
              }
            },
            "status": {
              "experimental": true,
              "standard_track": true,
              "deprecated": false
            }
          }
        },
        "grid": {
          "__compat": {
            "description": "<code>grid</code> media feature",
            "mdn_url": "https://developer.mozilla.org/docs/Web/CSS/@media/grid",
            "support": {
              "chrome": {
                "version_added": "1"
              },
              "chrome_android": {
                "version_added": "18"
              },
              "edge": {
                "version_added": "12"
              },
              "firefox": {
                "version_added": "2"
              },
              "firefox_android": {
                "version_added": "4"
              },
              "ie": {
                "version_added": "10"
              },
              "opera": {
                "version_added": "10"
              },
              "opera_android": {
                "version_added": "10.1"
              },
              "safari": {
                "version_added": "3"
              },
              "safari_ios": {
                "version_added": "1"
              },
              "samsunginternet_android": {
                "version_added": "1.0"
              },
              "webview_android": {
                "version_added": "≤37"
              }
            },
            "status": {
              "experimental": false,
              "standard_track": true,
              "deprecated": false
            }
          }
        },
        "height": {
          "__compat": {
            "description": "<code>height</code> media feature",
            "mdn_url": "https://developer.mozilla.org/docs/Web/CSS/@media/height",
            "support": {
              "chrome": {
                "version_added": "1"
              },
              "chrome_android": {
                "version_added": "18"
              },
              "edge": {
                "version_added": "12"
              },
              "firefox": {
                "version_added": "2"
              },
              "firefox_android": {
                "version_added": "4"
              },
              "ie": {
                "version_added": "9"
              },
              "opera": {
                "version_added": "10"
              },
              "opera_android": {
                "version_added": "10.1"
              },
              "safari": {
                "version_added": "3"
              },
              "safari_ios": {
                "version_added": "1"
              },
              "samsunginternet_android": {
                "version_added": "1.0"
              },
              "webview_android": {
                "version_added": "≤37"
              }
            },
            "status": {
              "experimental": false,
              "standard_track": true,
              "deprecated": false
            }
          }
        },
        "hover": {
          "__compat": {
            "mdn_url": "https://developer.mozilla.org/docs/Web/CSS/@media/hover",
            "description": "<code>hover</code> media feature",
            "support": {
              "chrome": {
                "version_added": "38",
                "notes": "Before Chrome 41, the implementation was buggy and reported <code>(hover: none)</code> on non-touch-based computers with a mouse/trackpad. See <a href='https://crbug.com/441613'>bug 441613</a>."
              },
              "chrome_android": {
                "version_added": "50"
              },
              "edge": {
                "version_added": "12"
              },
              "firefox": {
                "version_added": "64"
              },
              "firefox_android": {
                "version_added": "64"
              },
              "ie": {
                "version_added": false
              },
              "opera": {
                "version_added": "28"
              },
              "opera_android": {
                "version_added": "28"
              },
              "safari": {
                "version_added": "9"
              },
              "safari_ios": {
                "version_added": "9"
              },
              "samsunginternet_android": {
                "version_added": "5.0"
              },
              "webview_android": {
                "version_added": "38",
                "notes": "Before Chrome 41, the implementation was buggy and reported <code>(hover: none)</code> on non-touch-based computers with a mouse/trackpad. See <a href='https://crbug.com/441613'>bug 441613</a>."
              }
            },
            "status": {
              "experimental": false,
              "standard_track": true,
              "deprecated": false
            }
          }
        },
        "inverted-colors": {
          "__compat": {
            "description": "<code>inverted-colors</code> media feature",
            "mdn_url": "https://developer.mozilla.org/docs/Web/CSS/@media/inverted-colors",
            "support": {
              "chrome": {
                "version_added": false
              },
              "chrome_android": {
                "version_added": false
              },
              "edge": {
                "version_added": false
              },
              "firefox": {
                "version_added": false
              },
              "firefox_android": {
                "version_added": false
              },
              "ie": {
                "version_added": false
              },
              "opera": {
                "version_added": false
              },
              "opera_android": {
                "version_added": false
              },
              "safari": {
                "version_added": "9.1"
              },
              "safari_ios": {
                "version_added": "10"
              },
              "samsunginternet_android": {
                "version_added": false
              },
              "webview_android": {
                "version_added": false
              }
            },
            "status": {
              "experimental": false,
              "standard_track": true,
              "deprecated": false
            }
          }
        },
        "light-level": {
          "__compat": {
            "description": "<code>light-level</code> media feature",
            "mdn_url": "https://developer.mozilla.org/docs/Web/CSS/@media/light-level",
            "support": {
              "chrome": {
                "version_added": false
              },
              "chrome_android": {
                "version_added": false
              },
              "edge": {
                "version_added": false
              },
              "firefox": {
                "version_added": false
              },
              "firefox_android": {
                "version_added": false
              },
              "ie": {
                "version_added": false
              },
              "opera": {
                "version_added": false
              },
              "opera_android": {
                "version_added": false
              },
              "safari": {
                "version_added": false
              },
              "safari_ios": {
                "version_added": false
              },
              "samsunginternet_android": {
                "version_added": false
              },
              "webview_android": {
                "version_added": false
              }
            },
            "status": {
              "experimental": false,
              "standard_track": true,
              "deprecated": false
            }
          }
        },
        "media_features": {
          "__compat": {
            "description": "Media feature expressions",
            "support": {
              "chrome": {
                "version_added": "1"
              },
              "chrome_android": {
                "version_added": "18"
              },
              "edge": {
                "version_added": "12"
              },
              "firefox": {
                "version_added": "1"
              },
              "firefox_android": {
                "version_added": "4"
              },
              "ie": {
                "version_added": "9"
              },
              "opera": {
                "version_added": "9.2"
              },
              "opera_android": {
                "version_added": "10.1"
              },
              "safari": {
                "version_added": "1.3"
              },
              "safari_ios": {
                "version_added": "3.1"
              },
              "samsunginternet_android": {
                "version_added": "1.0"
              },
              "webview_android": {
                "version_added": "1"
              }
            },
            "status": {
              "experimental": false,
              "standard_track": true,
              "deprecated": false
            }
          }
        },
        "media_query_values": {
          "__compat": {
            "description": "<a href='https://developer.mozilla.org/docs/Web/CSS/Media_Queries'>Media query</a> value support",
            "support": {
              "chrome": {
                "version_added": "66"
              },
              "chrome_android": {
                "version_added": "66"
              },
              "edge": {
                "version_added": "79"
              },
              "firefox": {
                "version_added": "59"
              },
              "firefox_android": {
                "version_added": "59"
              },
              "ie": {
                "version_added": false
              },
              "opera": {
                "version_added": "53"
              },
              "opera_android": {
                "version_added": "47"
              },
              "safari": {
                "version_added": false
              },
              "safari_ios": {
                "version_added": false
              },
              "samsunginternet_android": {
                "version_added": "9.0"
              },
              "webview_android": {
                "version_added": "66"
              }
            },
            "status": {
              "experimental": false,
              "standard_track": true,
              "deprecated": false
            }
          }
        },
        "monochrome": {
          "__compat": {
            "description": "<code>monochrome</code> media feature",
            "mdn_url": "https://developer.mozilla.org/docs/Web/CSS/@media/monochrome",
            "support": {
              "chrome": {
                "version_added": "1"
              },
              "chrome_android": {
                "version_added": "18"
              },
              "edge": {
                "version_added": "79"
              },
              "firefox": {
                "version_added": "2"
              },
              "firefox_android": {
                "version_added": "4"
              },
              "ie": {
                "version_added": false
              },
              "opera": {
                "version_added": "10"
              },
              "opera_android": {
                "version_added": "10.1"
              },
              "safari": {
                "version_added": "3"
              },
              "safari_ios": {
                "version_added": "1"
              },
              "samsunginternet_android": {
                "version_added": "1.0"
              },
              "webview_android": {
                "version_added": "≤37"
              }
            },
            "status": {
              "experimental": false,
              "standard_track": true,
              "deprecated": false
            }
          }
        },
        "nested-queries": {
          "__compat": {
            "description": "Nested media queries",
            "support": {
              "chrome": {
                "version_added": "26"
              },
              "chrome_android": {
                "version_added": "26"
              },
              "edge": {
                "version_added": "12"
              },
              "firefox": {
                "version_added": "11"
              },
              "firefox_android": {
                "version_added": "14"
              },
              "ie": {
                "version_added": false
              },
              "opera": {
                "version_added": "12.1"
              },
              "opera_android": {
                "version_added": "12.1"
              },
              "safari": {
                "version_added": "6.1"
              },
              "safari_ios": {
                "version_added": "7"
              },
              "samsunginternet_android": {
                "version_added": "1.5"
              },
              "webview_android": {
                "version_added": "≤37"
              }
            },
            "status": {
              "experimental": false,
              "standard_track": true,
              "deprecated": false
            }
          }
        },
        "orientation": {
          "__compat": {
            "description": "<code>orientation</code> media feature",
            "mdn_url": "https://developer.mozilla.org/docs/Web/CSS/@media/orientation",
            "support": {
              "chrome": {
                "version_added": "3"
              },
              "chrome_android": {
                "version_added": "18"
              },
              "edge": {
                "version_added": "12"
              },
              "firefox": {
                "version_added": "2"
              },
              "firefox_android": {
                "version_added": "4"
              },
              "ie": {
                "version_added": "9"
              },
              "opera": {
                "version_added": "10.6"
              },
              "opera_android": {
                "version_added": "11"
              },
              "safari": {
                "version_added": "5"
              },
              "safari_ios": {
                "version_added": "4.2"
              },
              "samsunginternet_android": {
                "version_added": "1.0"
              },
              "webview_android": {
                "version_added": "≤37"
              }
            },
            "status": {
              "experimental": false,
              "standard_track": true,
              "deprecated": false
            }
          }
        },
        "overflow-block": {
          "__compat": {
            "description": "<code>overflow-block</code> media feature",
            "mdn_url": "https://developer.mozilla.org/docs/Web/CSS/@media/overflow-block",
            "support": {
              "chrome": {
                "version_added": false
              },
              "chrome_android": {
                "version_added": false
              },
              "edge": {
                "version_added": false
              },
              "firefox": {
                "version_added": "66"
              },
              "firefox_android": {
                "version_added": "66"
              },
              "ie": {
                "version_added": false
              },
              "opera": {
                "version_added": false
              },
              "opera_android": {
                "version_added": false
              },
              "safari": {
                "version_added": false
              },
              "safari_ios": {
                "version_added": false
              },
              "samsunginternet_android": {
                "version_added": false
              },
              "webview_android": {
                "version_added": false
              }
            },
            "status": {
              "experimental": false,
              "standard_track": true,
              "deprecated": false
            }
          }
        },
        "overflow-inline": {
          "__compat": {
            "description": "<code>overflow-inline</code> media feature",
            "mdn_url": "https://developer.mozilla.org/docs/Web/CSS/@media/overflow-inline",
            "support": {
              "chrome": {
                "version_added": false
              },
              "chrome_android": {
                "version_added": false
              },
              "edge": {
                "version_added": false
              },
              "firefox": {
                "version_added": "66"
              },
              "firefox_android": {
                "version_added": "66"
              },
              "ie": {
                "version_added": false
              },
              "opera": {
                "version_added": false
              },
              "opera_android": {
                "version_added": false
              },
              "safari": {
                "version_added": false
              },
              "safari_ios": {
                "version_added": false
              },
              "samsunginternet_android": {
                "version_added": false
              },
              "webview_android": {
                "version_added": false
              }
            },
            "status": {
              "experimental": false,
              "standard_track": true,
              "deprecated": false
            }
          }
        },
        "pointer": {
          "__compat": {
            "mdn_url": "https://developer.mozilla.org/docs/Web/CSS/@media/pointer",
            "description": "<code>pointer</code> media feature",
            "support": {
              "chrome": {
                "version_added": "41"
              },
              "chrome_android": {
                "version_added": "50"
              },
              "edge": {
                "version_added": "12"
              },
              "firefox": {
                "version_added": "64"
              },
              "firefox_android": {
                "version_added": "64"
              },
              "ie": {
                "version_added": false
              },
              "opera": {
                "version_added": "28"
              },
              "opera_android": {
                "version_added": "28"
              },
              "safari": {
                "version_added": "9"
              },
              "safari_ios": {
                "version_added": "9"
              },
              "samsunginternet_android": {
                "version_added": "5.0"
              },
              "webview_android": {
                "version_added": "41"
              }
            },
            "status": {
              "experimental": false,
              "standard_track": true,
              "deprecated": false
            }
          }
        },
        "prefers-color-scheme": {
          "__compat": {
            "mdn_url": "https://developer.mozilla.org/docs/Web/CSS/@media/prefers-color-scheme",
            "description": "<code>prefers-color-scheme</code> media feature",
            "support": {
              "chrome": {
                "version_added": "76"
              },
              "chrome_android": {
                "version_added": "76"
              },
              "edge": {
                "version_added": "79"
              },
              "firefox": {
                "version_added": "67"
              },
              "firefox_android": {
                "version_added": false
              },
              "ie": {
                "version_added": false
              },
              "opera": {
                "version_added": "62"
              },
              "opera_android": {
                "version_added": "54"
              },
              "safari": {
                "version_added": "12.1"
              },
              "safari_ios": {
                "version_added": "13"
              },
              "samsunginternet_android": {
                "version_added": false
              },
              "webview_android": {
                "version_added": "76"
              }
            },
            "status": {
              "experimental": false,
              "standard_track": true,
              "deprecated": false
            }
          }
        },
        "prefers-contrast": {
          "__compat": {
            "description": "<code>prefers-contrast</code> media feature",
            "mdn_url": "https://developer.mozilla.org/docs/Web/CSS/@media/prefers-contrast",
            "support": {
              "chrome": {
                "version_added": false
              },
              "chrome_android": {
                "version_added": false
              },
              "edge": {
                "version_added": false
              },
              "firefox": {
                "version_added": false
              },
              "firefox_android": {
                "version_added": false
              },
              "ie": {
                "version_added": false
              },
              "opera": {
                "version_added": false
              },
              "opera_android": {
                "version_added": false
              },
              "safari": {
                "version_added": false
              },
              "safari_ios": {
                "version_added": false
              },
              "samsunginternet_android": {
                "version_added": false
              },
              "webview_android": {
                "version_added": false
              }
            },
            "status": {
              "experimental": true,
              "standard_track": true,
              "deprecated": false
            }
          }
        },
        "prefers-reduced-data": {
          "__compat": {
            "mdn_url": "https://developer.mozilla.org/docs/Web/CSS/@media/prefers-reduced-data",
            "description": "<code>prefers-reduced-data</code> media feature",
            "support": {
              "chrome": {
                "version_added": false,
                "notes": "See <a href='https://crbug.com/1051189'>bug 1051189</a>."
              },
              "chrome_android": {
                "version_added": false,
                "notes": "See <a href='https://crbug.com/1051189'>bug 1051189</a>."
              },
              "edge": {
                "version_added": false,
                "notes": "See <a href='https://crbug.com/1051189'>bug 1051189</a>."
              },
              "firefox": {
                "version_added": false
              },
              "firefox_android": {
                "version_added": false
              },
              "ie": {
                "version_added": false
              },
              "opera": {
                "version_added": false
              },
              "opera_android": {
                "version_added": false
              },
              "safari": {
                "version_added": false
              },
              "safari_ios": {
                "version_added": false
              },
              "samsunginternet_android": {
                "version_added": false
              },
              "webview_android": {
                "version_added": false,
                "notes": "See <a href='https://crbug.com/1051189'>bug 1051189</a>."
              }
            },
            "status": {
              "experimental": true,
              "standard_track": true,
              "deprecated": false
            }
          }
        },
        "prefers-reduced-motion": {
          "__compat": {
            "mdn_url": "https://developer.mozilla.org/docs/Web/CSS/@media/prefers-reduced-motion",
            "description": "<code>prefers-reduced-motion</code> media feature",
            "support": {
              "chrome": {
                "version_added": "74"
              },
              "chrome_android": {
                "version_added": "74"
              },
              "edge": {
                "version_added": "79"
              },
              "firefox": {
                "version_added": "63"
              },
              "firefox_android": {
                "version_added": "64"
              },
              "ie": {
                "version_added": false
              },
              "opera": {
                "version_added": "62"
              },
              "opera_android": {
                "version_added": "53"
              },
              "safari": {
                "version_added": "10.1"
              },
              "safari_ios": {
                "version_added": "10.3"
              },
              "samsunginternet_android": {
                "version_added": false
              },
              "webview_android": {
                "version_added": "74"
              }
            },
            "status": {
              "experimental": false,
              "standard_track": true,
              "deprecated": false
            }
          }
        },
        "prefers-reduced-transparency": {
          "__compat": {
            "description": "<code>prefers-reduced-transparency</code> media feature",
            "mdn_url": "https://developer.mozilla.org/docs/Web/CSS/@media/prefers-reduced-transparency",
            "support": {
              "chrome": {
                "version_added": false
              },
              "chrome_android": {
                "version_added": false
              },
              "edge": {
                "version_added": false
              },
              "firefox": {
                "version_added": false
              },
              "firefox_android": {
                "version_added": false
              },
              "ie": {
                "version_added": false
              },
              "opera": {
                "version_added": false
              },
              "opera_android": {
                "version_added": false
              },
              "safari": {
                "version_added": false
              },
              "safari_ios": {
                "version_added": false
              },
              "samsunginternet_android": {
                "version_added": false
              },
              "webview_android": {
                "version_added": false
              }
            },
            "status": {
              "experimental": true,
              "standard_track": true,
              "deprecated": false
            }
          }
        },
        "resolution": {
          "__compat": {
            "description": "<code>resolution</code> media feature",
            "mdn_url": "https://developer.mozilla.org/docs/Web/CSS/@media/resolution",
            "support": {
              "chrome": {
                "version_added": "29"
              },
              "chrome_android": {
                "version_added": "29"
              },
              "edge": {
                "version_added": "12"
              },
              "firefox": [
                {
                  "version_added": "8"
                },
                {
                  "partial_implementation": true,
                  "version_added": "3.5",
                  "notes": "Supports <a href='https://developer.mozilla.org/docs/Web/CSS/integer'><code>&lt;integer&gt;</code></a> values only."
                }
              ],
              "firefox_android": [
                {
                  "version_added": "8"
                },
                {
                  "partial_implementation": true,
                  "version_added": "4",
                  "notes": "Supports <a href='https://developer.mozilla.org/docs/Web/CSS/integer'><code>&lt;integer&gt;</code></a> values only."
                }
              ],
              "ie": {
                "version_added": "9"
              },
              "opera": [
                {
                  "version_added": "16"
                },
                {
                  "version_added": "10",
                  "version_removed": "15"
                }
              ],
              "opera_android": [
                {
                  "version_added": "16"
                },
                {
                  "version_added": "10.1",
                  "version_removed": "14"
                }
              ],
              "safari": {
                "version_added": false,
                "notes": "See <a href='https://webkit.org/b/78087'>bug 78087</a>."
              },
              "safari_ios": {
                "version_added": false,
                "notes": "See <a href='https://webkit.org/b/78087'>bug 78087</a>."
              },
              "samsunginternet_android": {
                "version_added": "2.0"
              },
              "webview_android": {
                "version_added": "≤37"
              }
            },
            "status": {
              "experimental": false,
              "standard_track": true,
              "deprecated": false
            }
          }
        },
        "scan": {
          "__compat": {
            "description": "<code>scan</code> media feature",
            "mdn_url": "https://developer.mozilla.org/docs/Web/CSS/@media/scan",
            "support": {
              "chrome": {
                "version_added": false
              },
              "chrome_android": {
                "version_added": false
              },
              "edge": {
                "version_added": false
              },
              "firefox": {
                "version_added": false
              },
              "firefox_android": {
                "version_added": false
              },
              "ie": {
                "version_added": false
              },
              "opera": {
                "version_added": false
              },
              "opera_android": {
                "version_added": false
              },
              "safari": {
                "version_added": false
              },
              "safari_ios": {
                "version_added": false
              },
              "samsunginternet_android": {
                "version_added": false
              },
              "webview_android": {
                "version_added": false
              }
            },
            "status": {
              "experimental": false,
              "standard_track": true,
              "deprecated": false
            }
          }
        },
        "scripting": {
          "__compat": {
            "description": "<code>scripting</code> media feature",
            "mdn_url": "https://developer.mozilla.org/docs/Web/CSS/@media/scripting",
            "support": {
              "chrome": {
                "version_added": false,
                "notes": "See <a href='https://crbug.com/489957'>bug 489957</a>."
              },
              "chrome_android": {
                "version_added": false,
                "notes": "See <a href='https://crbug.com/489957'>bug 489957</a>."
              },
              "edge": {
                "version_added": false,
                "notes": "See <a href='https://crbug.com/489957'>bug 489957</a>."
              },
              "firefox": {
                "version_added": false,
                "notes": "See <a href='https://bugzil.la/1166581'>bug 1166581</a>."
              },
              "firefox_android": {
                "version_added": false,
                "notes": "See <a href='https://bugzil.la/1166581'>bug 1166581</a>."
              },
              "ie": {
                "version_added": false
              },
              "opera": {
                "version_added": false
              },
              "opera_android": {
                "version_added": false
              },
              "safari": {
                "version_added": false
              },
              "safari_ios": {
                "version_added": false
              },
              "samsunginternet_android": {
                "version_added": false,
                "notes": "See <a href='https://crbug.com/489957'>bug 489957</a>."
              },
              "webview_android": {
                "version_added": false,
                "notes": "See <a href='https://crbug.com/489957'>bug 489957</a>."
              }
            },
            "status": {
              "experimental": false,
              "standard_track": true,
              "deprecated": false
            }
          }
        },
        "speech_type": {
          "__compat": {
            "description": "<code>speech</code> media type",
            "support": {
              "chrome": {
                "version_added": false
              },
              "chrome_android": {
                "version_added": false
              },
              "edge": {
                "version_added": false
              },
              "firefox": {
                "version_added": false
              },
              "firefox_android": {
                "version_added": false
              },
              "ie": {
                "version_added": false
              },
              "opera": {
                "version_added": "9.2"
              },
              "opera_android": {
                "version_added": "10.1"
              },
              "safari": {
                "version_added": false
              },
              "safari_ios": {
                "version_added": false
              },
              "samsunginternet_android": {
                "version_added": false
              },
              "webview_android": {
                "version_added": false
              }
            },
            "status": {
              "experimental": false,
              "standard_track": true,
              "deprecated": false
            }
          }
        },
        "update": {
          "__compat": {
            "description": "<code>update</code> media feature",
            "mdn_url": "https://developer.mozilla.org/docs/Web/CSS/@media/update-frequency",
            "support": {
              "chrome": {
                "version_added": false
              },
              "chrome_android": {
                "version_added": false
              },
              "edge": {
                "version_added": false
              },
              "firefox": {
                "version_added": false
              },
              "firefox_android": {
                "version_added": false
              },
              "ie": {
                "version_added": false
              },
              "opera": {
                "version_added": false
              },
              "opera_android": {
                "version_added": false
              },
              "safari": {
                "version_added": false
              },
              "safari_ios": {
                "version_added": false
              },
              "samsunginternet_android": {
                "version_added": false
              },
              "webview_android": {
                "version_added": false
              }
            },
            "status": {
              "experimental": false,
              "standard_track": true,
              "deprecated": false
            }
          }
        },
        "width": {
          "__compat": {
            "description": "<code>width</code> media feature",
            "mdn_url": "https://developer.mozilla.org/docs/Web/CSS/@media/width",
            "support": {
              "chrome": {
                "version_added": "1"
              },
              "chrome_android": {
                "version_added": "18"
              },
              "edge": {
                "version_added": "12"
              },
              "firefox": {
                "version_added": "2"
              },
              "firefox_android": {
                "version_added": "4"
              },
              "ie": {
                "version_added": "9"
              },
              "opera": {
                "version_added": "10"
              },
              "opera_android": {
                "version_added": "10.1"
              },
              "safari": {
                "version_added": "3"
              },
              "safari_ios": {
                "version_added": "1"
              },
              "samsunginternet_android": {
                "version_added": "1.0"
              },
              "webview_android": {
                "version_added": "≤37"
              }
            },
            "status": {
              "experimental": false,
              "standard_track": true,
              "deprecated": false
            }
          }
        },
        "-moz-device-pixel-ratio": {
          "__compat": {
            "description": "<code>-moz-device-pixel-ratio</code> media feature",
            "mdn_url": "https://developer.mozilla.org/docs/Web/CSS/@media/-moz-device-pixel-ratio",
            "support": {
              "chrome": {
                "version_added": false
              },
              "chrome_android": {
                "version_added": false
              },
              "edge": {
                "version_added": false
              },
              "firefox": {
                "version_added": "4"
              },
              "firefox_android": {
                "version_added": "4"
              },
              "ie": {
                "version_added": false
              },
              "opera": {
                "version_added": false
              },
              "opera_android": {
                "version_added": false
              },
              "safari": {
                "version_added": false
              },
              "safari_ios": {
                "version_added": false
              },
              "samsunginternet_android": {
                "version_added": false
              },
              "webview_android": {
                "version_added": false
              }
            },
            "status": {
              "experimental": false,
              "standard_track": false,
              "deprecated": true
            }
          }
        },
        "-webkit-animation": {
          "__compat": {
            "description": "<code>-webkit-animation</code> media feature",
            "mdn_url": "https://developer.mozilla.org/docs/Web/CSS/@media/-webkit-animation",
            "support": {
              "chrome": {
                "version_added": "2",
                "version_removed": "36"
              },
              "chrome_android": {
                "version_added": "18",
                "version_removed": "36"
              },
              "edge": {
                "version_added": false
              },
              "firefox": {
                "version_added": false
              },
              "firefox_android": {
                "version_added": false
              },
              "ie": {
                "version_added": false
              },
              "opera": {
                "version_added": "15",
                "version_removed": "23"
              },
              "opera_android": {
                "version_added": "14",
                "version_removed": "24"
              },
              "safari": {
                "version_added": "4"
              },
              "safari_ios": {
                "version_added": "3.2"
              },
              "samsunginternet_android": {
                "version_added": "1.0",
                "version_removed": "3.0"
              },
              "webview_android": {
                "version_added": "≤37",
                "version_removed": "≤37"
              }
            },
            "status": {
              "experimental": false,
              "standard_track": false,
              "deprecated": true
            }
          }
        },
        "-webkit-device-pixel-ratio": {
          "__compat": {
            "description": "<code>-webkit-device-pixel-ratio</code> media feature",
            "mdn_url": "https://developer.mozilla.org/docs/Web/CSS/@media/-webkit-device-pixel-ratio",
            "support": {
              "chrome": {
                "version_added": "1"
              },
              "chrome_android": {
                "version_added": "18"
              },
              "edge": {
                "version_added": "12"
              },
              "firefox": [
                {
                  "version_added": "63",
                  "notes": "Implemented as an alias for for <code>-moz-device-pixel-ratio</code>."
                },
                {
                  "version_added": "49",
                  "flags": [
                    {
                      "type": "preference",
                      "name": "layout.css.prefixes.device-pixel-ratio-webkit",
                      "value_to_set": "true"
                    }
                  ],
                  "notes": "Implemented as an alias for for <code>-moz-device-pixel-ratio</code>."
                },
                {
                  "version_added": "45",
                  "flags": [
                    {
                      "type": "preference",
                      "name": "layout.css.prefixes.webkit",
                      "value_to_set": "true"
                    },
                    {
                      "type": "preference",
                      "name": "layout.css.prefixes.device-pixel-ratio-webkit",
                      "value_to_set": "true"
                    }
                  ],
                  "notes": "Implemented as an alias for for <code>-moz-device-pixel-ratio</code>."
                }
              ],
              "firefox_android": [
                {
                  "version_added": "63",
                  "notes": "Implemented as an alias for for <code>-moz-device-pixel-ratio</code>."
                },
                {
                  "version_added": "49",
                  "flags": [
                    {
                      "type": "preference",
                      "name": "layout.css.prefixes.device-pixel-ratio-webkit",
                      "value_to_set": "true"
                    }
                  ],
                  "notes": "Implemented as an alias for for <code>-moz-device-pixel-ratio</code>."
                },
                {
                  "version_added": "45",
                  "flags": [
                    {
                      "type": "preference",
                      "name": "layout.css.prefixes.webkit",
                      "value_to_set": "true"
                    },
                    {
                      "type": "preference",
                      "name": "layout.css.prefixes.device-pixel-ratio-webkit",
                      "value_to_set": "true"
                    }
                  ],
                  "notes": "Implemented as an alias for for <code>-moz-device-pixel-ratio</code>."
                }
              ],
              "ie": {
                "version_added": false
              },
              "opera": {
                "version_added": "15"
              },
              "opera_android": {
                "version_added": "14"
              },
              "safari": {
                "version_added": "3"
              },
              "safari_ios": {
                "version_added": "1"
              },
              "samsunginternet_android": {
                "version_added": "1.0"
              },
              "webview_android": {
                "version_added": "≤37"
              }
            },
            "status": {
              "experimental": false,
              "standard_track": false,
              "deprecated": false
            }
          }
        },
        "-webkit-max-device-pixel-ratio": {
          "__compat": {
            "description": "<code>-webkit-max-device-pixel-ratio</code> media feature",
            "mdn_url": "https://developer.mozilla.org/docs/Web/CSS/@media/-webkit-device-pixel-ratio",
            "support": {
              "chrome": {
                "version_added": "1"
              },
              "chrome_android": {
                "version_added": "18"
              },
              "edge": {
                "version_added": "12"
              },
              "firefox": [
                {
                  "version_added": "63",
                  "notes": "Implemented as an alias for for <code>max--moz-device-pixel-ratio</code>."
                },
                {
                  "version_added": "49",
                  "flags": [
                    {
                      "type": "preference",
                      "name": "layout.css.prefixes.device-pixel-ratio-webkit",
                      "value_to_set": "true"
                    }
                  ],
                  "notes": "Implemented as an alias for for <code>max--moz-device-pixel-ratio</code>."
                },
                {
                  "version_added": "45",
                  "flags": [
                    {
                      "type": "preference",
                      "name": "layout.css.prefixes.webkit",
                      "value_to_set": "true"
                    },
                    {
                      "type": "preference",
                      "name": "layout.css.prefixes.device-pixel-ratio-webkit",
                      "value_to_set": "true"
                    }
                  ],
                  "notes": "Implemented as an alias for for <code>max--moz-device-pixel-ratio</code>."
                }
              ],
              "firefox_android": [
                {
                  "version_added": "63",
                  "notes": "Implemented as an alias for for <code>max--moz-device-pixel-ratio</code>."
                },
                {
                  "version_added": "49",
                  "flags": [
                    {
                      "type": "preference",
                      "name": "layout.css.prefixes.device-pixel-ratio-webkit",
                      "value_to_set": "true"
                    }
                  ],
                  "notes": "Implemented as an alias for for <code>max--moz-device-pixel-ratio</code>."
                },
                {
                  "version_added": "45",
                  "flags": [
                    {
                      "type": "preference",
                      "name": "layout.css.prefixes.webkit",
                      "value_to_set": "true"
                    },
                    {
                      "type": "preference",
                      "name": "layout.css.prefixes.device-pixel-ratio-webkit",
                      "value_to_set": "true"
                    }
                  ],
                  "notes": "Implemented as an alias for for <code>max--moz-device-pixel-ratio</code>."
                }
              ],
              "ie": {
                "version_added": false
              },
              "opera": {
                "version_added": "15"
              },
              "opera_android": {
                "version_added": "14"
              },
              "safari": {
                "version_added": "3"
              },
              "safari_ios": {
                "version_added": "1"
              },
              "samsunginternet_android": {
                "version_added": "1.0"
              },
              "webview_android": {
                "version_added": "≤37"
              }
            },
            "status": {
              "experimental": false,
              "standard_track": false,
              "deprecated": false
            }
          }
        },
        "-webkit-min-device-pixel-ratio": {
          "__compat": {
            "description": "<code>-webkit-min-device-pixel-ratio</code> media feature",
            "mdn_url": "https://developer.mozilla.org/docs/Web/CSS/@media/-webkit-device-pixel-ratio",
            "support": {
              "chrome": {
                "version_added": "1"
              },
              "chrome_android": {
                "version_added": "18"
              },
              "edge": {
                "version_added": "12"
              },
              "firefox": [
                {
                  "version_added": "63",
                  "notes": "Implemented as an alias for for <code>min--moz-device-pixel-ratio</code>."
                },
                {
                  "version_added": "49",
                  "flags": [
                    {
                      "type": "preference",
                      "name": "layout.css.prefixes.device-pixel-ratio-webkit",
                      "value_to_set": "true"
                    }
                  ],
                  "notes": "Implemented as an alias for for <code>min--moz-device-pixel-ratio</code>."
                },
                {
                  "version_added": "45",
                  "flags": [
                    {
                      "type": "preference",
                      "name": "layout.css.prefixes.webkit",
                      "value_to_set": "true"
                    },
                    {
                      "type": "preference",
                      "name": "layout.css.prefixes.device-pixel-ratio-webkit",
                      "value_to_set": "true"
                    }
                  ],
                  "notes": "Implemented as an alias for for <code>min--moz-device-pixel-ratio</code>."
                }
              ],
              "firefox_android": [
                {
                  "version_added": "63",
                  "notes": "Implemented as an alias for for <code>min--moz-device-pixel-ratio</code>."
                },
                {
                  "version_added": "49",
                  "flags": [
                    {
                      "type": "preference",
                      "name": "layout.css.prefixes.device-pixel-ratio-webkit",
                      "value_to_set": "true"
                    }
                  ],
                  "notes": "Implemented as an alias for for <code>min--moz-device-pixel-ratio</code>."
                },
                {
                  "version_added": "45",
                  "flags": [
                    {
                      "type": "preference",
                      "name": "layout.css.prefixes.webkit",
                      "value_to_set": "true"
                    },
                    {
                      "type": "preference",
                      "name": "layout.css.prefixes.device-pixel-ratio-webkit",
                      "value_to_set": "true"
                    }
                  ],
                  "notes": "Implemented as an alias for for <code>min--moz-device-pixel-ratio</code>."
                }
              ],
              "ie": {
                "version_added": false
              },
              "opera": {
                "version_added": "15"
              },
              "opera_android": {
                "version_added": "14"
              },
              "safari": {
                "version_added": "3"
              },
              "safari_ios": {
                "version_added": "1"
              },
              "samsunginternet_android": {
                "version_added": "1.0"
              },
              "webview_android": {
                "version_added": "≤37"
              }
            },
            "status": {
              "experimental": false,
              "standard_track": false,
              "deprecated": false
            }
          }
        },
        "-webkit-transform-2d": {
          "__compat": {
            "description": "<code>-webkit-transform-2d</code> media feature",
            "mdn_url": "https://developer.mozilla.org/docs/Web/CSS/@media/-webkit-transform-2d",
            "support": {
              "chrome": {
                "version_added": "2",
                "version_removed": "36"
              },
              "chrome_android": {
                "version_added": "18",
                "version_removed": "36"
              },
              "edge": {
                "version_added": false
              },
              "firefox": {
                "version_added": false
              },
              "firefox_android": {
                "version_added": false
              },
              "ie": {
                "version_added": false
              },
              "opera": {
                "version_added": "15",
                "version_removed": "23"
              },
              "opera_android": {
                "version_added": "14",
                "version_removed": "24"
              },
              "safari": {
                "version_added": "4"
              },
              "safari_ios": {
                "version_added": "3.2"
              },
              "samsunginternet_android": {
                "version_added": "1.0",
                "version_removed": "3.0"
              },
              "webview_android": {
                "version_added": "≤37",
                "version_removed": "≤37"
              }
            },
            "status": {
              "experimental": false,
              "standard_track": false,
              "deprecated": false
            }
          }
        },
        "-webkit-transform-3d": {
          "__compat": {
            "description": "<code>-webkit-transform-3d</code> media feature",
            "mdn_url": "https://developer.mozilla.org/docs/Web/CSS/@media/-webkit-transform-3d",
            "support": {
              "chrome": {
                "version_added": "2",
                "version_removed": "36"
              },
              "chrome_android": {
                "version_added": "18",
                "version_removed": "36"
              },
              "edge": {
                "version_added": "12",
                "version_removed": "79"
              },
              "firefox": [
                {
                  "version_added": "49"
                },
                {
                  "version_added": "46",
                  "flags": [
                    {
                      "type": "preference",
                      "name": "layout.css.prefixes.webkit",
                      "value_to_set": "true"
                    }
                  ]
                }
              ],
              "firefox_android": [
                {
                  "version_added": "49"
                },
                {
                  "version_added": "46",
                  "flags": [
                    {
                      "type": "preference",
                      "name": "layout.css.prefixes.webkit",
                      "value_to_set": "true"
                    }
                  ]
                }
              ],
              "ie": {
                "version_added": false
              },
              "opera": {
                "version_added": "15",
                "version_removed": "23"
              },
              "opera_android": {
                "version_added": "14",
                "version_removed": "24"
              },
              "safari": {
                "version_added": "4"
              },
              "safari_ios": {
                "version_added": "3.2"
              },
              "samsunginternet_android": {
                "version_added": "1.0",
                "version_removed": "3.0"
              },
              "webview_android": {
                "version_added": "≤37",
                "version_removed": "≤37"
              }
            },
            "status": {
              "experimental": false,
              "standard_track": false,
              "deprecated": false
            }
          }
        },
        "-webkit-transition": {
          "__compat": {
            "description": "<code>-webkit-transition</code> media feature",
            "mdn_url": "https://developer.mozilla.org/docs/Web/CSS/@media/-webkit-transition",
            "support": {
              "chrome": {
                "version_added": "2",
                "version_removed": "36"
              },
              "chrome_android": {
                "version_added": "18",
                "version_removed": "36"
              },
              "edge": {
                "version_added": false
              },
              "firefox": {
                "version_added": false
              },
              "firefox_android": {
                "version_added": false
              },
              "ie": {
                "version_added": false
              },
              "opera": {
                "version_added": "15",
                "version_removed": "23"
              },
              "opera_android": {
                "version_added": "14",
                "version_removed": "24"
              },
              "safari": {
                "version_added": "4"
              },
              "safari_ios": {
                "version_added": "3.2"
              },
              "samsunginternet_android": {
                "version_added": "1.0",
                "version_removed": "3.0"
              },
              "webview_android": {
                "version_added": "≤37",
                "version_removed": "≤37"
              }
            },
            "status": {
              "experimental": false,
              "standard_track": false,
              "deprecated": true
            }
          }
        }
      }
    }
  }
}