BFFE
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AMR


			
				
					
						
						
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							{
  "title":"CSS position:fixed",
  "description":"Method of keeping an element in a fixed location regardless of scroll position",
  "spec":"https://www.w3.org/TR/CSS21/visuren.html#fixed-positioning",
  "status":"rec",
  "links":[
    {
      "url":"http://www.css-101.org/fixed-positioning/05.php",
      "title":"Workaround for IE6"
    },
    {
      "url":"http://bradfrostweb.com/blog/mobile/fixed-position/",
      "title":"Article on mobile support"
    },
    {
      "url":"https://www.webplatform.org/docs/css/properties/position",
      "title":"WebPlatform Docs"
    }
  ],
  "bugs":[
    {
      "description":"in iOS Safari 5-7, position:fixed will move to center of window with focus event on child text input field."
    },
    {
      "description":"In Android 4.0-4.3 `position:fixed` inside an iframe will cause unexpected behviour."
    }
  ],
  "categories":[
    "CSS"
  ],
  "stats":{
    "ie":{
      "5.5":"n",
      "6":"p",
      "7":"y",
      "8":"y",
      "9":"y",
      "10":"y",
      "11":"y"
    },
    "edge":{
      "12":"y",
      "13":"y",
      "14":"y",
      "15":"y",
      "16":"y",
      "17":"y",
      "18":"y",
      "79":"y",
      "80":"y",
      "81":"y",
      "83":"y",
      "84":"y",
      "85":"y",
      "86":"y",
      "87":"y",
      "88":"y",
      "89":"y",
      "90":"y",
      "91":"y",
      "92":"y",
      "93":"y",
      "94":"y",
      "95":"y",
      "96":"y",
      "97":"y",
      "98":"y",
      "99":"y"
    },
    "firefox":{
      "2":"y",
      "3":"y",
      "3.5":"y",
      "3.6":"y",
      "4":"y",
      "5":"y",
      "6":"y",
      "7":"y",
      "8":"y",
      "9":"y",
      "10":"y",
      "11":"y",
      "12":"y",
      "13":"y",
      "14":"y",
      "15":"y",
      "16":"y",
      "17":"y",
      "18":"y",
      "19":"y",
      "20":"y",
      "21":"y",
      "22":"y",
      "23":"y",
      "24":"y",
      "25":"y",
      "26":"y",
      "27":"y",
      "28":"y",
      "29":"y",
      "30":"y",
      "31":"y",
      "32":"y",
      "33":"y",
      "34":"y",
      "35":"y",
      "36":"y",
      "37":"y",
      "38":"y",
      "39":"y",
      "40":"y",
      "41":"y",
      "42":"y",
      "43":"y",
      "44":"y",
      "45":"y",
      "46":"y",
      "47":"y",
      "48":"y",
      "49":"y",
      "50":"y",
      "51":"y",
      "52":"y",
      "53":"y",
      "54":"y",
      "55":"y",
      "56":"y",
      "57":"y",
      "58":"y",
      "59":"y",
      "60":"y",
      "61":"y",
      "62":"y",
      "63":"y",
      "64":"y",
      "65":"y",
      "66":"y",
      "67":"y",
      "68":"y",
      "69":"y",
      "70":"y",
      "71":"y",
      "72":"y",
      "73":"y",
      "74":"y",
      "75":"y",
      "76":"y",
      "77":"y",
      "78":"y",
      "79":"y",
      "80":"y",
      "81":"y",
      "82":"y",
      "83":"y",
      "84":"y",
      "85":"y",
      "86":"y",
      "87":"y",
      "88":"y",
      "89":"y",
      "90":"y",
      "91":"y",
      "92":"y",
      "93":"y",
      "94":"y",
      "95":"y",
      "96":"y",
      "97":"y",
      "98":"y",
      "99":"y",
      "100":"y"
    },
    "chrome":{
      "4":"y",
      "5":"y",
      "6":"y",
      "7":"y",
      "8":"y",
      "9":"y",
      "10":"y",
      "11":"y",
      "12":"y",
      "13":"y",
      "14":"y",
      "15":"y",
      "16":"y",
      "17":"y",
      "18":"y",
      "19":"y",
      "20":"y",
      "21":"y",
      "22":"y",
      "23":"y",
      "24":"y",
      "25":"y",
      "26":"y",
      "27":"y",
      "28":"y",
      "29":"y",
      "30":"y",
      "31":"y",
      "32":"y",
      "33":"y",
      "34":"y",
      "35":"y",
      "36":"y",
      "37":"y",
      "38":"y",
      "39":"y",
      "40":"y",
      "41":"y",
      "42":"y",
      "43":"y",
      "44":"y",
      "45":"y",
      "46":"y",
      "47":"y",
      "48":"y",
      "49":"y",
      "50":"y",
      "51":"y",
      "52":"y",
      "53":"y",
      "54":"y",
      "55":"y",
      "56":"y",
      "57":"y",
      "58":"y",
      "59":"y",
      "60":"y",
      "61":"y",
      "62":"y",
      "63":"y",
      "64":"y",
      "65":"y",
      "66":"y",
      "67":"y",
      "68":"y",
      "69":"y",
      "70":"y",
      "71":"y",
      "72":"y",
      "73":"y",
      "74":"y",
      "75":"y",
      "76":"y",
      "77":"y",
      "78":"y",
      "79":"y",
      "80":"y",
      "81":"y",
      "83":"y",
      "84":"y",
      "85":"y",
      "86":"y",
      "87":"y",
      "88":"y",
      "89":"y",
      "90":"y",
      "91":"y",
      "92":"y",
      "93":"y",
      "94":"y",
      "95":"y",
      "96":"y",
      "97":"y",
      "98":"y",
      "99":"y",
      "100":"y",
      "101":"y",
      "102":"y",
      "103":"y"
    },
    "safari":{
      "3.1":"y",
      "3.2":"y",
      "4":"y",
      "5":"y",
      "5.1":"y",
      "6":"y",
      "6.1":"y",
      "7":"y",
      "7.1":"y",
      "8":"y",
      "9":"y",
      "9.1":"y #4",
      "10":"y",
      "10.1":"y",
      "11":"y",
      "11.1":"y",
      "12":"y",
      "12.1":"y",
      "13":"y",
      "13.1":"y",
      "14":"y",
      "14.1":"y",
      "15":"y",
      "15.1":"y",
      "15.2-15.3":"y",
      "15.4":"y",
      "TP":"y"
    },
    "opera":{
      "9":"y",
      "9.5-9.6":"y",
      "10.0-10.1":"y",
      "10.5":"y",
      "10.6":"y",
      "11":"y",
      "11.1":"y",
      "11.5":"y",
      "11.6":"y",
      "12":"y",
      "12.1":"y",
      "15":"y",
      "16":"y",
      "17":"y",
      "18":"y",
      "19":"y",
      "20":"y",
      "21":"y",
      "22":"y",
      "23":"y",
      "24":"y",
      "25":"y",
      "26":"y",
      "27":"y",
      "28":"y",
      "29":"y",
      "30":"y",
      "31":"y",
      "32":"y",
      "33":"y",
      "34":"y",
      "35":"y",
      "36":"y",
      "37":"y",
      "38":"y",
      "39":"y",
      "40":"y",
      "41":"y",
      "42":"y",
      "43":"y",
      "44":"y",
      "45":"y",
      "46":"y",
      "47":"y",
      "48":"y",
      "49":"y",
      "50":"y",
      "51":"y",
      "52":"y",
      "53":"y",
      "54":"y",
      "55":"y",
      "56":"y",
      "57":"y",
      "58":"y",
      "60":"y",
      "62":"y",
      "63":"y",
      "64":"y",
      "65":"y",
      "66":"y",
      "67":"y",
      "68":"y",
      "69":"y",
      "70":"y",
      "71":"y",
      "72":"y",
      "73":"y",
      "74":"y",
      "75":"y",
      "76":"y",
      "77":"y",
      "78":"y",
      "79":"y",
      "80":"y",
      "81":"y",
      "82":"y",
      "83":"y"
    },
    "ios_saf":{
      "3.2":"n",
      "4.0-4.1":"n",
      "4.2-4.3":"n",
      "5.0-5.1":"a #1",
      "6.0-6.1":"a #1",
      "7.0-7.1":"a #1",
      "8":"y",
      "8.1-8.4":"y",
      "9.0-9.2":"y",
      "9.3":"y",
      "10.0-10.2":"y",
      "10.3":"y",
      "11.0-11.2":"y",
      "11.3-11.4":"y",
      "12.0-12.1":"y",
      "12.2-12.5":"y",
      "13.0-13.1":"y",
      "13.2":"y",
      "13.3":"y",
      "13.4-13.7":"y",
      "14.0-14.4":"y",
      "14.5-14.8":"y",
      "15.0-15.1":"y",
      "15.2-15.3":"y",
      "15.4":"y"
    },
    "op_mini":{
      "all":"n"
    },
    "android":{
      "2.1":"a #2",
      "2.2":"a #2",
      "2.3":"a #2",
      "3":"y",
      "4":"y #3",
      "4.1":"y #3",
      "4.2-4.3":"y #3",
      "4.4":"y",
      "4.4.3-4.4.4":"y",
      "99":"y"
    },
    "bb":{
      "7":"y",
      "10":"y"
    },
    "op_mob":{
      "10":"y",
      "11":"y",
      "11.1":"y",
      "11.5":"y",
      "12":"y",
      "12.1":"y",
      "64":"y"
    },
    "and_chr":{
      "100":"y"
    },
    "and_ff":{
      "98":"y"
    },
    "ie_mob":{
      "10":"y",
      "11":"y"
    },
    "and_uc":{
      "12.12":"y"
    },
    "samsung":{
      "4":"y",
      "5.0-5.4":"y",
      "6.2-6.4":"y",
      "7.2-7.4":"y",
      "8.2":"y",
      "9.2":"y",
      "10.1":"y",
      "11.1-11.2":"y",
      "12.0":"y",
      "13.0":"y",
      "14.0":"y",
      "15.0":"y",
      "16.0":"y"
    },
    "and_qq":{
      "10.4":"y"
    },
    "baidu":{
      "7.12":"y"
    },
    "kaios":{
      "2.5":"y"
    }
  },
  "notes":"",
  "notes_by_num":{
    "1":"Partial support in older iOS Safari refers to [buggy behavior](http://remysharp.com/2012/05/24/issues-with-position-fixed-scrolling-on-ios/).",
    "2":"Only works in Android 2.1 thru 2.3 by using the following meta tag: <meta name=\"viewport\" content=\"width=device-width, user-scalable=no\">.",
    "3":"Android 4.0-4.3 [ignore transforms and margin:auto on position:fixed elements](https://codepen.io/mattiacci/pen/mPRKZY).",
    "4":"in Safari 9.1, having a `position:fixed`-element inside an animated element, [may cause the `position:fixed`-element to not appear](https://jsbin.com/fuxipax)."
  },
  "usage_perc_y":96.77,
  "usage_perc_a":0.15,
  "ucprefix":false,
  "parent":"",
  "keywords":"",
  "ie_id":"",
  "chrome_id":"",
  "firefox_id":"",
  "webkit_id":"",
  "shown":true
}