{
 "compat_features": [
  "api.CSSCustomMediaRule",
  "css.at-rules.custom-media"
 ],
 "description": "The @custom-media CSS at-rule names a media query, which you can reuse in multiple @media rules.",
 "description_html": "The <code>@custom-media</code> CSS at-rule names a media query, which you can reuse in multiple <code>@media</code> rules.",
 "group": [
  "media-queries"
 ],
 "kind": "feature",
 "name": "Custom media queries",
 "spec": [
  "https://drafts.csswg.org/mediaqueries-5/#custom-mq"
 ],
 "status": {
  "baseline": false,
  "by_compat_key": {
   "api.CSSCustomMediaRule": {
    "baseline": false,
    "support": {}
   },
   "css.at-rules.custom-media": {
    "baseline": false,
    "support": {}
   }
  },
  "support": {}
 },
 "id": "custom-media-queries",
 "groups": [
  "media-queries"
 ],
 "specs": [
  {
   "url": "https://drafts.csswg.org/mediaqueries-5/#custom-mq",
   "seriesComposition": "delta",
   "shortname": "mediaqueries-5",
   "series": {
    "shortname": "mediaqueries",
    "currentSpecification": "mediaqueries-4",
    "title": "Media Queries",
    "shortTitle": "Media Queries",
    "releaseUrl": "https://www.w3.org/TR/mediaqueries/",
    "nightlyUrl": "https://drafts.csswg.org/mediaqueries/"
   },
   "seriesVersion": "5",
   "seriesPrevious": "mediaqueries-4",
   "organization": "W3C",
   "groups": [
    {
     "name": "Cascading Style Sheets (CSS) Working Group",
     "url": "https://www.w3.org/groups/wg/css/"
    }
   ],
   "release": {
    "url": "https://www.w3.org/TR/mediaqueries-5/",
    "status": "Working Draft",
    "filename": "Overview.html"
   },
   "nightly": {
    "url": "https://drafts.csswg.org/mediaqueries-5/",
    "status": "Editor's Draft",
    "alternateUrls": [
     "https://w3c.github.io/csswg-drafts/mediaqueries-5/"
    ],
    "repository": "https://github.com/w3c/csswg-drafts",
    "sourcePath": "mediaqueries-5/Overview.bs",
    "filename": "index.html"
   },
   "title": "Media Queries Level 5",
   "source": "w3c",
   "shortTitle": "Media Queries 5",
   "categories": [
    "browser"
   ],
   "standing": "good",
   "tests": {
    "repository": "https://github.com/web-platform-tests/wpt",
    "testPaths": [
     "css/mediaqueries"
    ]
   },
   "fragment": "custom-mq"
  }
 ],
 "mdnUrls": [
  {
   "slug": "Web/CSS/Reference/At-rules/@custom-media",
   "title": "`@custom-media` CSS at-rule",
   "anchor": null,
   "url": "https://developer.mozilla.org/docs/Web/CSS/Reference/At-rules/@custom-media"
  }
 ],
 "standardPositions": [],
 "hasNegativeStandardPosition": false,
 "stateOfSurveys": [],
 "chromeUseCounters": {},
 "interop": [],
 "wpt": {
  "url": "https://wpt.fyi/results?q=feature:custom-media-queries"
 },
 "developerSignals": {
  "url": "https://github.com/web-platform-dx/developer-signals/issues/445",
  "votes": 29
 },
 "bugs": {
  "firefox": [
   "https://bugzil.la/2048216"
  ],
  "chrome": [
   "https://crbug.com/40781325"
  ],
  "chrome_android": [
   "https://crbug.com/40781325"
  ],
  "edge": [
   "https://crbug.com/40781325"
  ],
  "oculus": [
   "https://crbug.com/40781325"
  ],
  "opera": [
   "https://crbug.com/40781325"
  ],
  "opera_android": [
   "https://crbug.com/40781325"
  ],
  "safari": [
   "https://webkit.org/b/233820"
  ],
  "safari_ios": [
   "https://webkit.org/b/233820"
  ],
  "samsunginternet_android": [
   "https://crbug.com/40781325"
  ],
  "webview_android": [
   "https://crbug.com/40781325"
  ],
  "webview_ios": [
   "https://webkit.org/b/233820"
  ]
 },
 "useCases": [
  {
   "description": "Write simpler media queries saving time, bandwidth, energy, and complexity.",
   "url": "https://github.com/web-platform-dx/developer-signals/issues/445#issuecomment-4676400546"
  }
 ],
 "baselineLowDateAsObject": null,
 "baselineHighDateAsObject": null
}