core/node_modules/caniuse-db/features-json/css-variables.json

{
  "title":"CSS Variables (Custom Properties)",
  "description":"Permits the declaration and usage of cascading variables in stylesheets.",
  "spec":"https://www.w3.org/TR/css-variables/",
  "status":"cr",
  "links":[
    {
      "url":"https://hacks.mozilla.org/2013/12/css-variables-in-firefox-nightly/",
      "title":"Mozilla hacks article (older syntax)"
    },
    {
      "url":"https://developer.mozilla.org/en-US/docs/Web/CSS/Using_CSS_variables",
      "title":"Mozilla Developer Network (MDN) documentation - Using CSS variables"
    },
    {
      "url":"https://blogs.windows.com/msedgedev/2017/03/24/css-custom-properties/",
      "title":"Edge Dev Blog post"
    }
  ],
  "bugs":[
    {
      "description":"In Edge 15 is not possible to use css variables in pseudo elements [see bug](https://developer.microsoft.com/en-us/microsoft-edge/platform/issues/11495448/)"
    },
    {
      "description":"In Edge 15 animations with css variables may cause the webpage to crash [see bug](https://developer.microsoft.com/en-us/microsoft-edge/platform/issues/11676012/)"
    },
    {
      "description":"In Edge 15, nested calculations with css variables are not computed and are ignored [see bug](https://developer.microsoft.com/en-us/microsoft-edge/platform/issues/12143022/)"
    }
  ],
  "categories":[
    "CSS3"
  ],
  "stats":{
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  },
  "notes":"",
  "notes_by_num":{
    "1":"Enabled through the \"Experimental Web Platform features\" flag in `chrome://flags`",
    "2":"Partial support is due to bugs present (see known issues)"
  },
  "usage_perc_y":72.2,
  "usage_perc_a":0,
  "ucprefix":false,
  "parent":"",
  "keywords":"css variables,custom properties",
  "ie_id":"csscustompropertiesakacssvariables",
  "chrome_id":"6401356696911872",
  "firefox_id":"css-variables",
  "webkit_id":"specification-css-variables",
  "shown":true
}