{
 "caniuse": [
  "css-cascade-layers"
 ],
 "compat_features": [
  "api.CSSImportRule.layerName",
  "api.CSSLayerBlockRule",
  "api.CSSLayerBlockRule.name",
  "api.CSSLayerStatementRule",
  "api.CSSLayerStatementRule.nameList",
  "css.at-rules.import.layer",
  "css.at-rules.layer",
  "css.types.global_keywords.revert-layer"
 ],
 "description": "The @layer CSS at-rule avoids specificity conflicts by providing priority levels for different groups of CSS rules, such as low-priority styles like resets, and high-priority styles like UI components.",
 "description_html": "The <code>@layer</code> CSS at-rule avoids specificity conflicts by providing priority levels for different groups of CSS rules, such as low-priority styles like resets, and high-priority styles like UI components.",
 "group": [
  "css"
 ],
 "kind": "feature",
 "name": "Cascade layers",
 "spec": [
  "https://drafts.csswg.org/css-cascade-5/"
 ],
 "status": {
  "baseline": "high",
  "baseline_high_date": "2024-09-14",
  "baseline_low_date": "2022-03-14",
  "by_compat_key": {
   "api.CSSImportRule.layerName": {
    "baseline": "high",
    "baseline_high_date": "2024-09-14",
    "baseline_low_date": "2022-03-14",
    "support": {
     "chrome": "99",
     "chrome_android": "99",
     "edge": "99",
     "firefox": "97",
     "firefox_android": "97",
     "safari": "15.4",
     "safari_ios": "15.4"
    }
   },
   "api.CSSLayerBlockRule": {
    "baseline": "high",
    "baseline_high_date": "2024-09-14",
    "baseline_low_date": "2022-03-14",
    "support": {
     "chrome": "99",
     "chrome_android": "99",
     "edge": "99",
     "firefox": "97",
     "firefox_android": "97",
     "safari": "15.4",
     "safari_ios": "15.4"
    }
   },
   "api.CSSLayerBlockRule.name": {
    "baseline": "high",
    "baseline_high_date": "2024-09-14",
    "baseline_low_date": "2022-03-14",
    "support": {
     "chrome": "99",
     "chrome_android": "99",
     "edge": "99",
     "firefox": "97",
     "firefox_android": "97",
     "safari": "15.4",
     "safari_ios": "15.4"
    }
   },
   "api.CSSLayerStatementRule": {
    "baseline": "high",
    "baseline_high_date": "2024-09-14",
    "baseline_low_date": "2022-03-14",
    "support": {
     "chrome": "99",
     "chrome_android": "99",
     "edge": "99",
     "firefox": "97",
     "firefox_android": "97",
     "safari": "15.4",
     "safari_ios": "15.4"
    }
   },
   "api.CSSLayerStatementRule.nameList": {
    "baseline": "high",
    "baseline_high_date": "2024-09-14",
    "baseline_low_date": "2022-03-14",
    "support": {
     "chrome": "99",
     "chrome_android": "99",
     "edge": "99",
     "firefox": "97",
     "firefox_android": "97",
     "safari": "15.4",
     "safari_ios": "15.4"
    }
   },
   "css.at-rules.import.layer": {
    "baseline": "high",
    "baseline_high_date": "2024-09-14",
    "baseline_low_date": "2022-03-14",
    "support": {
     "chrome": "99",
     "chrome_android": "99",
     "edge": "99",
     "firefox": "97",
     "firefox_android": "97",
     "safari": "15.4",
     "safari_ios": "15.4"
    }
   },
   "css.at-rules.layer": {
    "baseline": "high",
    "baseline_high_date": "2024-09-14",
    "baseline_low_date": "2022-03-14",
    "support": {
     "chrome": "99",
     "chrome_android": "99",
     "edge": "99",
     "firefox": "97",
     "firefox_android": "97",
     "safari": "15.4",
     "safari_ios": "15.4"
    }
   },
   "css.types.global_keywords.revert-layer": {
    "baseline": "high",
    "baseline_high_date": "2024-09-14",
    "baseline_low_date": "2022-03-14",
    "support": {
     "chrome": "99",
     "chrome_android": "99",
     "edge": "99",
     "firefox": "97",
     "firefox_android": "97",
     "safari": "15.4",
     "safari_ios": "15.4"
    }
   }
  },
  "support": {
   "chrome": "99",
   "chrome_android": "99",
   "edge": "99",
   "firefox": "97",
   "firefox_android": "97",
   "safari": "15.4",
   "safari_ios": "15.4"
  }
 },
 "id": "cascade-layers",
 "groups": [
  "css"
 ],
 "specs": [
  {
   "url": "https://drafts.csswg.org/css-cascade-5/",
   "seriesComposition": "full",
   "shortname": "css-cascade-5",
   "series": {
    "shortname": "css-cascade",
    "currentSpecification": "css-cascade-4",
    "title": "CSS Cascading and Inheritance",
    "shortTitle": "CSS Cascading",
    "releaseUrl": "https://www.w3.org/TR/css-cascade/",
    "nightlyUrl": "https://drafts.csswg.org/css-cascade/"
   },
   "seriesVersion": "5",
   "shortTitle": "CSS Cascading 5",
   "seriesPrevious": "css-cascade-4",
   "seriesNext": "css-cascade-6",
   "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/css-cascade-5/",
    "status": "Candidate Recommendation Snapshot",
    "filename": "Overview.html"
   },
   "nightly": {
    "url": "https://drafts.csswg.org/css-cascade-5/",
    "status": "Editor's Draft",
    "alternateUrls": [
     "https://w3c.github.io/csswg-drafts/css-cascade-5/"
    ],
    "repository": "https://github.com/w3c/csswg-drafts",
    "sourcePath": "css-cascade-5/Overview.bs",
    "filename": "index.html"
   },
   "title": "CSS Cascading and Inheritance Level 5",
   "source": "w3c",
   "categories": [
    "browser"
   ],
   "standing": "good",
   "tests": {
    "repository": "https://github.com/web-platform-tests/wpt",
    "testPaths": [
     "css/css-cascade"
    ]
   },
   "fragment": null
  }
 ],
 "mdnUrls": [
  {
   "slug": "Web/CSS/Reference/At-rules/@layer",
   "title": "@layer",
   "anchor": null,
   "url": "https://developer.mozilla.org/docs/Web/CSS/Reference/At-rules/@layer"
  }
 ],
 "standardPositions": [
  {
   "vendor": "mozilla",
   "url": "https://github.com/mozilla/standards-positions/issues/471",
   "position": "positive",
   "concerns": []
  }
 ],
 "hasNegativeStandardPosition": false,
 "stateOfSurveys": [
  {
   "name": "State of CSS 2025",
   "url": "https://2025.stateofcss.com/en-US/usage/#gamechanger_feature",
   "question": "usage",
   "subQuestion": "gamechanger_feature",
   "path": "dataAPI.surveys.state_of_css.css2025.usage.gamechanger_feature.freeform.allEditions.0.buckets.10.entity"
  },
  {
   "name": "State of CSS 2025",
   "url": "https://2025.stateofcss.com/en-US/usage/#favorite_new_features",
   "question": "usage",
   "subQuestion": "favorite_new_features",
   "path": "dataAPI.surveys.state_of_css.css2025.usage.favorite_new_features.freeform.allEditions.0.buckets.10.entity"
  },
  {
   "name": "State of CSS 2025",
   "url": "https://2025.stateofcss.com/en-US/usage/#css_interoperability_features",
   "question": "usage",
   "subQuestion": "css_interoperability_features",
   "path": "dataAPI.surveys.state_of_css.css2025.usage.css_interoperability_features.freeform.allEditions.0.buckets.11.entity"
  },
  {
   "name": "State of CSS 2025",
   "url": "https://2025.stateofcss.com/en-US/features/#all_features",
   "question": "features",
   "subQuestion": "all_features",
   "path": "dataAPI.surveys.state_of_css.css2025.features.all_features.50.entity"
  },
  {
   "name": "State of CSS 2024",
   "url": "https://2024.stateofcss.com/en-US/usage/#favorite_new_features",
   "question": "usage",
   "subQuestion": "favorite_new_features",
   "path": "dataAPI.surveys.state_of_css.css2024.usage.favorite_new_features.freeform.currentEdition.buckets.10.entity"
  },
  {
   "name": "State of CSS 2024",
   "url": "https://2024.stateofcss.com/en-US/usage/#css_interoperability_features",
   "question": "usage",
   "subQuestion": "css_interoperability_features",
   "path": "dataAPI.surveys.state_of_css.css2024.usage.css_interoperability_features.freeform.currentEdition.buckets.11.entity"
  },
  {
   "name": "State of CSS 2024",
   "url": "https://2024.stateofcss.com/en-US/features/#all_features",
   "question": "features",
   "subQuestion": "all_features",
   "path": "dataAPI.surveys.state_of_css.css2024.features.all_features.54.entity"
  }
 ],
 "chromeUseCounters": {
  "percentageOfPageLoad": 0.04435354,
  "url": "https://chromestatus.com/metrics/webfeature/timeline/popularity/5"
 },
 "interop": [
  {
   "year": 2022,
   "label": "interop-2022-cascade",
   "url": "https://wpt.fyi/interop-2022?feature=interop-2022-cascade"
  }
 ],
 "wpt": {
  "url": "https://wpt.fyi/results?q=feature:cascade-layers"
 },
 "developerSignals": null,
 "bugs": {},
 "baselineLowDateAsObject": "2022-03-14T00:00:00.000Z",
 "baselineHighDateAsObject": "2024-09-14T00:00:00.000Z"
}