{
  "title":"CSS3 attr() function for all properties",
  "description":"While `attr()` is supported for effectively all browsers for the `content` property, CSS Values and Units Level 3 adds the ability to use `attr()` on **any** CSS property, and to use it for non-string values (e.g. numbers, colors).",
  "spec":"https://www.w3.org/TR/css-values/#attr-notation",
  "status":"cr",
  "links":[
    {
      "url":"https://developer.mozilla.org/en-US/docs/Web/CSS/attr",
      "title":"MDN Web Docs - CSS attr"
    },
    {
      "url":"https://wpdev.uservoice.com/forums/257854-microsoft-edge-developer/suggestions/7671960-css-attr-as-defined-in-css-values-level-3",
      "title":"Microsoft Edge feature request on UserVoice"
    },
    {
      "url":"https://bugzilla.mozilla.org/show_bug.cgi?id=435426",
      "title":"Mozilla Bug #435426: implement css3-values extensions to `attr()`"
    },
    {
      "url":"https://bugs.chromium.org/p/chromium/issues/detail?id=246571",
      "title":"Chromium issue #246571: Implement CSS3 attribute / attr references"
    },
    {
      "url":"https://bugs.webkit.org/show_bug.cgi?id=26609",
      "title":"WebKit Bug #26609: Support CSS3 attr() function"
    }
  ],
  "bugs":[
    
  ],
  "categories":[
    "CSS"
  ],
  "stats":{
    "ie":{
      "5.5":"n",
      "6":"n",
      "7":"n",
      "8":"n",
      "9":"n",
      "10":"n",
      "11":"n"
    },
    "edge":{
      "12":"n",
      "13":"n",
      "14":"n",
      "15":"n",
      "16":"n",
      "17":"n"
    },
    "firefox":{
      "2":"n",
      "3":"n",
      "3.5":"n",
      "3.6":"n",
      "4":"n",
      "5":"n",
      "6":"n",
      "7":"n",
      "8":"n",
      "9":"n",
      "10":"n",
      "11":"n",
      "12":"n",
      "13":"n",
      "14":"n",
      "15":"n",
      "16":"n",
      "17":"n",
      "18":"n",
      "19":"n",
      "20":"n",
      "21":"n",
      "22":"n",
      "23":"n",
      "24":"n",
      "25":"n",
      "26":"n",
      "27":"n",
      "28":"n",
      "29":"n",
      "30":"n",
      "31":"n",
      "32":"n",
      "33":"n",
      "34":"n",
      "35":"n",
      "36":"n",
      "37":"n",
      "38":"n",
      "39":"n",
      "40":"n",
      "41":"n",
      "42":"n",
      "43":"n",
      "44":"n",
      "45":"n",
      "46":"n",
      "47":"n",
      "48":"n",
      "49":"n",
      "50":"n",
      "51":"n",
      "52":"n",
      "53":"n",
      "54":"n",
      "55":"n",
      "56":"n",
      "57":"n",
      "58":"n",
      "59":"n",
      "60":"n",
      "61":"n"
    },
    "chrome":{
      "4":"n",
      "5":"n",
      "6":"n",
      "7":"n",
      "8":"n",
      "9":"n",
      "10":"n",
      "11":"n",
      "12":"n",
      "13":"n",
      "14":"n",
      "15":"n",
      "16":"n",
      "17":"n",
      "18":"n",
      "19":"n",
      "20":"n",
      "21":"n",
      "22":"n",
      "23":"n",
      "24":"n",
      "25":"n",
      "26":"n",
      "27":"n",
      "28":"n",
      "29":"n",
      "30":"n",
      "31":"n",
      "32":"n",
      "33":"n",
      "34":"n",
      "35":"n",
      "36":"n",
      "37":"n",
      "38":"n",
      "39":"n",
      "40":"n",
      "41":"n",
      "42":"n",
      "43":"n",
      "44":"n",
      "45":"n",
      "46":"n",
      "47":"n",
      "48":"n",
      "49":"n",
      "50":"n",
      "51":"n",
      "52":"n",
      "53":"n",
      "54":"n",
      "55":"n",
      "56":"n",
      "57":"n",
      "58":"n",
      "59":"n",
      "60":"n",
      "61":"n",
      "62":"n",
      "63":"n",
      "64":"n",
      "65":"n",
      "66":"n",
      "67":"n"
    },
    "safari":{
      "3.1":"n",
      "3.2":"n",
      "4":"n",
      "5":"n",
      "5.1":"n",
      "6":"n",
      "6.1":"n",
      "7":"n",
      "7.1":"n",
      "8":"n",
      "9":"n",
      "9.1":"n",
      "10":"n",
      "10.1":"n",
      "11":"n",
      "11.1":"n",
      "TP":"n"
    },
    "opera":{
      "9":"n",
      "9.5-9.6":"n",
      "10.0-10.1":"n",
      "10.5":"n",
      "10.6":"n",
      "11":"n",
      "11.1":"n",
      "11.5":"n",
      "11.6":"n",
      "12":"n",
      "12.1":"n",
      "15":"n",
      "16":"n",
      "17":"n",
      "18":"n",
      "19":"n",
      "20":"n",
      "21":"n",
      "22":"n",
      "23":"n",
      "24":"n",
      "25":"n",
      "26":"n",
      "27":"n",
      "28":"n",
      "29":"n",
      "30":"n",
      "31":"n",
      "32":"n",
      "33":"n",
      "34":"n",
      "35":"n",
      "36":"n",
      "37":"n",
      "38":"n",
      "39":"n",
      "40":"n",
      "41":"n",
      "42":"n",
      "43":"n",
      "44":"n",
      "45":"n",
      "46":"n",
      "47":"n",
      "48":"n",
      "49":"n",
      "50":"n",
      "51":"n",
      "52":"n"
    },
    "ios_saf":{
      "3.2":"n",
      "4.0-4.1":"n",
      "4.2-4.3":"n",
      "5.0-5.1":"n",
      "6.0-6.1":"n",
      "7.0-7.1":"n",
      "8":"n",
      "8.1-8.4":"n",
      "9.0-9.2":"n",
      "9.3":"n",
      "10.0-10.2":"n",
      "10.3":"n",
      "11.0-11.2":"n",
      "11.3":"n"
    },
    "op_mini":{
      "all":"n"
    },
    "android":{
      "2.1":"n",
      "2.2":"n",
      "2.3":"n",
      "3":"n",
      "4":"n",
      "4.1":"n",
      "4.2-4.3":"n",
      "4.4":"n",
      "4.4.3-4.4.4":"n",
      "62":"n"
    },
    "bb":{
      "7":"n",
      "10":"n"
    },
    "op_mob":{
      "10":"n",
      "11":"n",
      "11.1":"n",
      "11.5":"n",
      "12":"n",
      "12.1":"n",
      "37":"n"
    },
    "and_chr":{
      "64":"n"
    },
    "and_ff":{
      "57":"n"
    },
    "ie_mob":{
      "10":"n",
      "11":"n"
    },
    "and_uc":{
      "11.8":"n"
    },
    "samsung":{
      "4":"n",
      "5":"n",
      "6.2":"n"
    },
    "and_qq":{
      "1.2":"n"
    },
    "baidu":{
      "7.12":"n"
    }
  },
  "notes":"See the [generated content](/#feat=css-gencontent) table for support for `attr()` for the `content` property.",
  "notes_by_num":{
    
  },
  "usage_perc_y":0,
  "usage_perc_a":0,
  "ucprefix":false,
  "parent":"",
  "keywords":"attr,attribute,function",
  "ie_id":"csslevel3attrfunction",
  "chrome_id":"",
  "firefox_id":"",
  "webkit_id":"",
  "shown":true
}