Web platform features explorer - Flexbox

Web platform features explorer

Flexbox is a one-dimensional layout system, which places content either horizontally or vertically, with optional wrapping.

Status

Baseline Widely Available (since 2018-03-30)

MDN documentation

Flexbox

Specifications

CSS Flexible Box Layout Module Level 1, from Cascading Style Sheets (CSS) Working Group (W3C).

Browser support (view on caniuse.com)

Chrome 29 Released on 2013-08-20
Chrome Android 29 Released on 2013-08-21
Edge 12 Released on 2015-07-29
Firefox 20 Released on 2013-04-02
Firefox for Android 20 Released on 2013-04-02
Safari 9 Released on 2015-09-30
Safari on iOS 9 Released on 2015-09-16

Usage (according to Chrome Platform Status)

~81.353% of page loads. More data at chromestatus.

Interop

Included in Interop 2021
Included in Interop 2022
Included in Interop 2023
Included in Interop 2024
Included in Interop 2025

Web Platform Tests (WPT)

View the latest WPT test results for this feature

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