coderef

Absolute positioningBaseline · Widely available

The position: absolute CSS declaration removes an element from the normal flow and positions it relative to its containing block, which is often the root element, or closest positioned ancestor.

Supported in all major browsers for at least 30 months — safe to use without fallbacks. Baseline since Jul 29, 2015. Widely available since Jan 29, 2018.

Browser support

DesktopChrome
1+Supportedsince Dec 11, 2008
Current: 155
Edge
12+Supportedsince Jul 29, 2015
Current: 154
Firefox
1+Supportedsince Nov 9, 2004
Current: 157
Safari
1+Supportedsince Jun 23, 2003
Current: 27
MobileChrome Android
18+Supportedsince Jun 27, 2012
Current: 155
Firefox Android
4+Supportedsince Mar 29, 2011
Current: 157
Safari iOS
1+Supportedsince Jun 29, 2007
Current: 27

How to use

This feature is Baseline widely available — use it freely, no fallback needed.

Example

Full syntax and examples are on MDN — see the links below.

Feature detection

CSS · check before using
@supports (align-self: initial) {
  /* styles that rely on align-self */
}

/* or in JavaScript */
if (CSS.supports("align-self", "initial")) {
  // use it
}

Sub-features

Support for each part of the feature (4). The overall table above shows when the whole feature works.

Sub-featureChromeEdgeFirefoxSafariChrome AndroidFirefox AndroidSafari iOS
align-self.context_position_absolute1221221342612213426
justify-self.position_absolute_context1221221342612213426
place-self.position_absolute_context1221221342612213426
position.absolute112111841