{
  "title":"Media Queries: resolution feature",
  "description":"Allows a media query to be set based on the device pixels used per CSS unit. While the standard uses `min`/`max-resolution` for this, some browsers support the older non-standard `device-pixel-ratio` media query.",
  "spec":"https://www.w3.org/TR/mediaqueries-4/#resolution",
  "status":"cr",
  "links":[
    {
      "url":"https://www.w3.org/blog/CSS/2012/06/14/unprefix-webkit-device-pixel-ratio/",
      "title":"How to unprefix -webkit-device-pixel-ratio"
    },
    {
      "url":"https://bugs.webkit.org/show_bug.cgi?id=78087",
      "title":"WebKit Bug 78087: Implement the 'resolution' media query"
    },
    {
      "url":"https://compat.spec.whatwg.org/#css-media-queries-webkit-device-pixel-ratio",
      "title":"WHATWG Compatibility Standard: -webkit-device-pixel-ratio"
    },
    {
      "url":"https://developer.mozilla.org/en-US/docs/Web/CSS/@media/resolution",
      "title":"MDN Web Docs - CSS @media resolution"
    },
    {
      "url":"https://drafts.csswg.org/css-values/#dppx",
      "title":"CSS Values and Units Module Level 4 add the `x` unit as an alias for `dppx`."
    },
    {
      "url":"https://chromestatus.com/feature/5150549246738432",
      "title":"Chrome support 'x' as a resolution unit."
    },
    {
      "url":"https://bugzilla.mozilla.org/show_bug.cgi?id=1460655",
      "title":"Firefox support 'x' as a resolution unit."
    }
  ],
  "bugs":[
    {
      "description":"Microsoft Edge Legacy (v18 and below) has a bug where `min-resolution` less than `1dpcm` [is ignored](https://jsfiddle.net/behmjd5t/)."
    }
  ],
  "categories":[
    "CSS",
    "CSS3"
  ],
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  },
  "notes":"",
  "notes_by_num":{
    "1":"Supports the `dpi` unit, but does not support `dppx` or `dpcm` units.",
    "2":"Firefox before 16 supports only `dpi` unit, but you can set `2dppx` per `min--moz-device-pixel-ratio: 2`.",
    "3":"Supports the non-standard `min`/`max-device-pixel-ratio`.",
    "4":"Does not support `x` unit (alias for `dppx` unit), e.g: `@media (min-resolution: 2x) { }`."
  },
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  "usage_perc_a":4.33,
  "ucprefix":false,
  "parent":"css-mediaqueries",
  "keywords":"@media,device-pixel-ratio,resolution,dppx,dpcm,dpi",
  "chrome_id":"5944509615570944",
  "shown":true
}