{
  "api": {
    "CSSStyleSheet": {
      "__compat": {
        "mdn_url": "https://developer.mozilla.org/docs/Web/API/CSSStyleSheet",
        "support": {
          "chrome": {
            "version_added": true
          },
          "chrome_android": {
            "version_added": true
          },
          "edge": {
            "version_added": "12"
          },
          "firefox": {
            "version_added": "1"
          },
          "firefox_android": {
            "version_added": "4"
          },
          "ie": {
            "version_added": "9"
          },
          "opera": {
            "version_added": true
          },
          "opera_android": {
            "version_added": true
          },
          "safari": {
            "version_added": true
          },
          "safari_ios": {
            "version_added": true
          },
          "samsunginternet_android": {
            "version_added": true
          },
          "webview_android": {
            "version_added": true
          }
        },
        "status": {
          "experimental": false,
          "standard_track": true,
          "deprecated": false
        }
      },
      "addRule": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/CSSStyleSheet/addRule",
          "description": "<code>addRule()</code>",
          "support": {
            "chrome": {
              "version_added": true
            },
            "chrome_android": {
              "version_added": true
            },
            "edge": {
              "version_added": "12"
            },
            "firefox": {
              "version_added": "68"
            },
            "firefox_android": {
              "version_added": "68"
            },
            "ie": {
              "version_added": "9"
            },
            "opera": {
              "version_added": true
            },
            "opera_android": {
              "version_added": true
            },
            "safari": {
              "version_added": true
            },
            "safari_ios": {
              "version_added": true
            },
            "samsunginternet_android": {
              "version_added": true
            },
            "webview_android": {
              "version_added": true
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": true
          }
        }
      },
      "cssRules": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/CSSStyleSheet/cssRules",
          "support": {
            "chrome": {
              "version_added": true
            },
            "chrome_android": {
              "version_added": true
            },
            "edge": {
              "version_added": "12"
            },
            "firefox": {
              "version_added": "1"
            },
            "firefox_android": {
              "version_added": "4"
            },
            "ie": {
              "version_added": "9"
            },
            "opera": {
              "version_added": true
            },
            "opera_android": {
              "version_added": true
            },
            "safari": {
              "version_added": true
            },
            "safari_ios": {
              "version_added": true
            },
            "samsunginternet_android": {
              "version_added": true
            },
            "webview_android": {
              "version_added": true
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "deleteRule": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/CSSStyleSheet/deleteRule",
          "description": "<code>deleteRule()</code>",
          "support": {
            "chrome": {
              "version_added": true
            },
            "chrome_android": {
              "version_added": true
            },
            "edge": {
              "version_added": "12"
            },
            "firefox": {
              "version_added": "1"
            },
            "firefox_android": {
              "version_added": "4"
            },
            "ie": {
              "version_added": "9"
            },
            "opera": {
              "version_added": true
            },
            "opera_android": {
              "version_added": true
            },
            "safari": {
              "version_added": true
            },
            "safari_ios": {
              "version_added": true
            },
            "samsunginternet_android": {
              "version_added": true
            },
            "webview_android": {
              "version_added": true
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "insertRule": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/CSSStyleSheet/insertRule",
          "description": "<code>insertRule()</code>",
          "support": {
            "chrome": {
              "version_added": true
            },
            "chrome_android": {
              "version_added": true
            },
            "edge": {
              "version_added": "12"
            },
            "firefox": {
              "version_added": "1"
            },
            "firefox_android": {
              "version_added": "4"
            },
            "ie": {
              "version_added": "9"
            },
            "opera": {
              "version_added": true
            },
            "opera_android": {
              "version_added": true
            },
            "safari": {
              "version_added": true
            },
            "safari_ios": {
              "version_added": true
            },
            "samsunginternet_android": {
              "version_added": true
            },
            "webview_android": {
              "version_added": true
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        },
        "optional_index": {
          "__compat": {
            "description": "<code>index</code> is optional",
            "support": {
              "chrome": {
                "version_added": "60"
              },
              "chrome_android": {
                "version_added": "60"
              },
              "edge": {
                "version_added": "≤79"
              },
              "firefox": {
                "version_added": "55"
              },
              "firefox_android": {
                "version_added": null
              },
              "ie": {
                "version_added": false
              },
              "opera": {
                "version_added": "47"
              },
              "opera_android": {
                "version_added": "44"
              },
              "safari": {
                "version_added": null
              },
              "safari_ios": {
                "version_added": null
              },
              "samsunginternet_android": {
                "version_added": "8.0"
              },
              "webview_android": {
                "version_added": "60"
              }
            },
            "status": {
              "experimental": false,
              "standard_track": true,
              "deprecated": false
            }
          }
        }
      },
      "ownerRule": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/CSSStyleSheet/ownerRule",
          "support": {
            "chrome": {
              "version_added": true
            },
            "chrome_android": {
              "version_added": true
            },
            "edge": {
              "version_added": "12"
            },
            "firefox": {
              "version_added": "1"
            },
            "firefox_android": {
              "version_added": "4"
            },
            "ie": {
              "version_added": "9"
            },
            "opera": {
              "version_added": true
            },
            "opera_android": {
              "version_added": true
            },
            "safari": {
              "version_added": true
            },
            "safari_ios": {
              "version_added": true
            },
            "samsunginternet_android": {
              "version_added": true
            },
            "webview_android": {
              "version_added": true
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "removeRule": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/CSSStyleSheet/removeRule",
          "description": "<code>removeRule()</code>",
          "support": {
            "chrome": {
              "version_added": true
            },
            "chrome_android": {
              "version_added": true
            },
            "edge": {
              "version_added": "12"
            },
            "firefox": {
              "version_added": "68"
            },
            "firefox_android": {
              "version_added": "68"
            },
            "ie": {
              "version_added": "9"
            },
            "opera": {
              "version_added": true
            },
            "opera_android": {
              "version_added": true
            },
            "safari": {
              "version_added": true
            },
            "safari_ios": {
              "version_added": true
            },
            "samsunginternet_android": {
              "version_added": true
            },
            "webview_android": {
              "version_added": true
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": true
          }
        }
      },
      "rules": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/CSSStyleSheet/rules",
          "support": {
            "chrome": {
              "version_added": true
            },
            "chrome_android": {
              "version_added": true
            },
            "edge": {
              "version_added": "12"
            },
            "firefox": {
              "version_added": "68"
            },
            "firefox_android": {
              "version_added": "68"
            },
            "ie": {
              "version_added": "9"
            },
            "opera": {
              "version_added": true
            },
            "opera_android": {
              "version_added": true
            },
            "safari": {
              "version_added": true
            },
            "safari_ios": {
              "version_added": true
            },
            "samsunginternet_android": {
              "version_added": true
            },
            "webview_android": {
              "version_added": true
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": true
          }
        }
      }
    }
  }
}