{
  "css": {
    "properties": {
      "transition-duration": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/CSS/transition-duration",
          "support": {
            "chrome": [
              {
                "version_added": "26"
              },
              {
                "prefix": "-webkit-",
                "version_added": "1"
              }
            ],
            "chrome_android": [
              {
                "version_added": "26"
              },
              {
                "prefix": "-webkit-",
                "version_added": "18"
              }
            ],
            "edge": [
              {
                "version_added": "12"
              },
              {
                "prefix": "-webkit-",
                "version_added": "12"
              }
            ],
            "firefox": [
              {
                "version_added": "16"
              },
              {
                "prefix": "-moz-",
                "version_added": "4"
              },
              {
                "version_added": "49",
                "prefix": "-webkit-"
              },
              {
                "prefix": "-webkit-",
                "version_added": "44",
                "flags": [
                  {
                    "type": "preference",
                    "name": "layout.css.prefixes.webkit",
                    "value_to_set": "true"
                  }
                ]
              }
            ],
            "firefox_android": [
              {
                "version_added": "16"
              },
              {
                "prefix": "-moz-",
                "version_added": "4"
              },
              {
                "version_added": "49",
                "prefix": "-webkit-"
              },
              {
                "prefix": "-webkit-",
                "version_added": "44",
                "flags": [
                  {
                    "type": "preference",
                    "name": "layout.css.prefixes.webkit",
                    "value_to_set": "true"
                  }
                ]
              }
            ],
            "ie": [
              {
                "version_added": "10"
              },
              {
                "prefix": "-ms-",
                "version_added": "10"
              }
            ],
            "opera": [
              {
                "version_added": "12.1"
              },
              {
                "prefix": "-webkit-",
                "version_added": "15"
              },
              {
                "prefix": "-o-",
                "version_added": "10",
                "version_removed": "15"
              }
            ],
            "opera_android": [
              {
                "version_added": "12.1"
              },
              {
                "prefix": "-webkit-",
                "version_added": "14"
              },
              {
                "prefix": "-o-",
                "version_added": "10.1",
                "version_removed": "14"
              }
            ],
            "safari": [
              {
                "version_added": "9"
              },
              {
                "prefix": "-webkit-",
                "version_added": "3.1"
              }
            ],
            "safari_ios": [
              {
                "version_added": "9"
              },
              {
                "prefix": "-webkit-",
                "version_added": "2"
              }
            ],
            "samsunginternet_android": [
              {
                "version_added": "1.5"
              },
              {
                "prefix": "-webkit-",
                "version_added": "1.0"
              }
            ],
            "webview_android": [
              {
                "version_added": "≤37"
              },
              {
                "prefix": "-webkit-",
                "version_added": "2"
              }
            ]
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      }
    }
  }
}