{
  "css": {
    "properties": {
      "writing-mode": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/CSS/writing-mode",
          "support": {
            "chrome": [
              {
                "version_added": "48"
              },
              {
                "prefix": "-webkit-",
                "version_added": "8"
              }
            ],
            "chrome_android": [
              {
                "version_added": "48"
              },
              {
                "prefix": "-webkit-",
                "version_added": "18"
              }
            ],
            "edge": [
              {
                "version_added": "12"
              },
              {
                "prefix": "-webkit-",
                "version_added": "12"
              }
            ],
            "firefox": [
              {
                "version_added": "41",
                "notes": "Firefox 42 added support for bidirectional and RTL scripts in vertical modes."
              },
              {
                "version_added": "36",
                "version_removed": "51",
                "flags": [
                  {
                    "type": "preference",
                    "name": "layout.css.vertical-text.enabled",
                    "value_to_set": "true"
                  }
                ]
              }
            ],
            "firefox_android": [
              {
                "version_added": "41",
                "notes": "Firefox 42 added support for bidirectional and RTL scripts in vertical modes."
              },
              {
                "version_added": "36",
                "version_removed": "51",
                "flags": [
                  {
                    "type": "preference",
                    "name": "layout.css.vertical-text.enabled",
                    "value_to_set": "true"
                  }
                ]
              }
            ],
            "ie": {
              "prefix": "-ms-",
              "version_added": "9",
              "notes": "Internet Explorer's implementation differs from the specification."
            },
            "opera": [
              {
                "version_added": "35"
              },
              {
                "prefix": "-webkit-",
                "version_added": "15"
              }
            ],
            "opera_android": [
              {
                "version_added": "35"
              },
              {
                "prefix": "-webkit-",
                "version_added": "14"
              }
            ],
            "safari": [
              {
                "version_added": "10.1"
              },
              {
                "prefix": "-webkit-",
                "version_added": "5.1"
              }
            ],
            "safari_ios": [
              {
                "version_added": "10.3"
              },
              {
                "prefix": "-webkit-",
                "version_added": "5.1"
              }
            ],
            "samsunginternet_android": [
              {
                "version_added": "5.0"
              },
              {
                "prefix": "-webkit-",
                "version_added": "1.0"
              }
            ],
            "webview_android": [
              {
                "version_added": "48"
              },
              {
                "prefix": "-webkit-",
                "version_added": "3"
              }
            ]
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        },
        "horizontal_vertical_values": {
          "__compat": {
            "description": "<code>horizontal-tb</code>, <code>vertical-lr</code>, and <code>vertical-rl</code>",
            "support": {
              "chrome": {
                "version_added": "48"
              },
              "chrome_android": {
                "version_added": "48"
              },
              "edge": {
                "version_added": "79"
              },
              "firefox": {
                "version_added": "43"
              },
              "firefox_android": {
                "version_added": "43"
              },
              "ie": {
                "version_added": false
              },
              "opera": {
                "version_added": "35"
              },
              "opera_android": {
                "version_added": "35"
              },
              "safari": {
                "version_added": "9"
              },
              "safari_ios": {
                "version_added": "9"
              },
              "samsunginternet_android": {
                "version_added": "5.0"
              },
              "webview_android": {
                "version_added": "48"
              }
            },
            "status": {
              "experimental": false,
              "standard_track": true,
              "deprecated": false
            }
          }
        },
        "sideways_values": {
          "__compat": {
            "description": "<code>sideways-lr</code> and <code>sideways-rl</code>",
            "support": {
              "chrome": {
                "version_added": false
              },
              "chrome_android": {
                "version_added": false
              },
              "edge": {
                "version_added": false
              },
              "firefox": {
                "version_added": "43"
              },
              "firefox_android": {
                "version_added": "43"
              },
              "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
            }
          }
        },
        "svg_values": {
          "__compat": {
            "description": "<code>lr</code>, <code>lr-tb</code>, <code>rl</code>, <code>rl-tb</code>, <code>tb</code>, and <code>tb-rl</code>",
            "support": {
              "chrome": {
                "version_added": "48"
              },
              "chrome_android": {
                "version_added": "48"
              },
              "edge": {
                "version_added": "12"
              },
              "firefox": {
                "version_added": "43"
              },
              "firefox_android": {
                "version_added": "43"
              },
              "ie": {
                "prefix": "-ms-",
                "version_added": "9"
              },
              "opera": {
                "version_added": "35"
              },
              "opera_android": {
                "version_added": "35"
              },
              "safari": {
                "version_added": "10.1"
              },
              "safari_ios": {
                "version_added": "10.3"
              },
              "samsunginternet_android": {
                "version_added": "5.0"
              },
              "webview_android": {
                "version_added": "48"
              }
            },
            "status": {
              "experimental": false,
              "standard_track": true,
              "deprecated": true
            }
          }
        }
      }
    }
  }
}