{
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    "at-rules": {
      "keyframes": {
        "__compat": {
          "description": "`@keyframes`",
          "mdn_url": "https://developer.mozilla.org/docs/Web/CSS/@keyframes",
          "spec_url": "https://drafts.csswg.org/css-animations/#keyframes",
          "tags": [
            "web-features:animations-css"
          ],
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              },
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                "version_added": "1"
              }
            ],
            "chrome_android": "mirror",
            "edge": {
              "version_added": "12"
            },
            "firefox": [
              {
                "version_added": "16"
              },
              {
                "prefix": "-webkit-",
                "version_added": "49"
              },
              {
                "prefix": "-moz-",
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              }
            ],
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            },
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            "opera": [
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                "prefix": "-webkit-",
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              },
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            ],
            "opera_android": [
              {
                "version_added": "30"
              },
              {
                "prefix": "-webkit-",
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              },
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                "version_added": "12.1",
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              },
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              {
                "version_added": "9"
              },
              {
                "prefix": "-webkit-",
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              }
            ],
            "safari_ios": [
              {
                "version_added": "9"
              },
              {
                "prefix": "-webkit-",
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              }
            ],
            "samsunginternet_android": "mirror",
            "webview_android": "mirror",
            "webview_ios": "mirror"
          },
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            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        },
        "ignore_important_declarations": {
          "__compat": {
            "description": "Ignore `!important` declarations",
            "tags": [
              "web-features:animations-css"
            ],
            "support": {
              "chrome": {
                "version_added": "45"
              },
              "chrome_android": "mirror",
              "edge": "mirror",
              "firefox": {
                "version_added": "19"
              },
              "firefox_android": "mirror",
              "ie": {
                "version_added": false
              },
              "oculus": "mirror",
              "opera": "mirror",
              "opera_android": "mirror",
              "safari": {
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              },
              "safari_ios": "mirror",
              "samsunginternet_android": "mirror",
              "webview_android": "mirror",
              "webview_ios": "mirror"
            },
            "status": {
              "experimental": false,
              "standard_track": true,
              "deprecated": false
            }
          }
        },
        "named_range_keyframes": {
          "__compat": {
            "description": "Named timeline range keyframe selectors",
            "spec_url": "https://drafts.csswg.org/scroll-animations/#named-range-keyframes",
            "tags": [
              "web-features:animations-css"
            ],
            "support": {
              "chrome": {
                "version_added": "115"
              },
              "chrome_android": "mirror",
              "edge": "mirror",
              "firefox": {
                "version_added": false,
                "impl_url": "https://bugzil.la/1676779"
              },
              "firefox_android": "mirror",
              "ie": {
                "version_added": false
              },
              "oculus": "mirror",
              "opera": "mirror",
              "opera_android": "mirror",
              "safari": {
                "version_added": false,
                "impl_url": "https://webkit.org/b/222295"
              },
              "safari_ios": "mirror",
              "samsunginternet_android": "mirror",
              "webview_android": "mirror",
              "webview_ios": "mirror"
            },
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              "standard_track": true,
              "deprecated": false
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          }
        }
      }
    }
  }
}