{ "css": { "at-rules": { "property": { "__compat": { "description": "`@property`", "mdn_url": "https://developer.mozilla.org/docs/Web/CSS/Reference/At-rules/@property", "spec_url": "https://drafts.css-houdini.org/css-properties-values-api/#at-property-rule", "tags": [ "web-features:registered-custom-properties" ], "support": { "chrome": { "version_added": "85" }, "chrome_android": "mirror", "edge": "mirror", "firefox": { "version_added": "128" }, "firefox_android": "mirror", "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "16.4" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "webview_ios": "mirror" }, "status": { "experimental": false, "standard_track": true, "deprecated": false } }, "inherits": { "__compat": { "description": "`inherits` descriptor", "mdn_url": "https://developer.mozilla.org/docs/Web/CSS/Reference/At-rules/@property/inherits", "spec_url": "https://drafts.css-houdini.org/css-properties-values-api/#inherits-descriptor", "tags": [ "web-features:registered-custom-properties" ], "support": { "chrome": { "version_added": "85" }, "chrome_android": "mirror", "edge": "mirror", "firefox": { "version_added": "128" }, "firefox_android": "mirror", "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "16.4" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "webview_ios": "mirror" }, "status": { "experimental": false, "standard_track": true, "deprecated": false } } }, "initial-value": { "__compat": { "description": "`initial-value` descriptor", "mdn_url": "https://developer.mozilla.org/docs/Web/CSS/Reference/At-rules/@property/initial-value", "spec_url": "https://drafts.css-houdini.org/css-properties-values-api/#initial-value-descriptor", "tags": [ "web-features:registered-custom-properties" ], "support": { "chrome": { "version_added": "85" }, "chrome_android": "mirror", "edge": "mirror", "firefox": { "version_added": "128" }, "firefox_android": "mirror", "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "16.4" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "webview_ios": "mirror" }, "status": { "experimental": false, "standard_track": true, "deprecated": false } } }, "syntax": { "__compat": { "description": "`syntax` descriptor", "mdn_url": "https://developer.mozilla.org/docs/Web/CSS/Reference/At-rules/@property/syntax", "spec_url": "https://drafts.css-houdini.org/css-properties-values-api/#the-syntax-descriptor", "tags": [ "web-features:registered-custom-properties" ], "support": { "chrome": { "version_added": "85" }, "chrome_android": "mirror", "edge": "mirror", "firefox": { "version_added": "128" }, "firefox_android": "mirror", "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "16.4" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "webview_ios": "mirror" }, "status": { "experimental": false, "standard_track": true, "deprecated": false } } } } } } }