stretchLimited availability

The stretch CSS keyword expands a box as needed to fit its contents until the maximum size is reached, without preserving the content's preferred aspect ratio.

Not yet supported in all major browsers — check the table and provide a fallback.

How to use ↓Compare browsers

Browser support

DesktopChrome

1–137Not supported

138+Supportedsince Jun 24, 2025

Current: 155

Edge

12–137Not supported

138+Supportedsince Jun 26, 2025

Current: 154

Firefox

✕Not supportedup to 157

Current: 157

Safari

1–26.6Not supported

27+Supportedsince Sep 14, 2026

Current: 27

MobileChrome Android

18–137Not supported

138+Supportedsince Jun 24, 2025

Current: 155

Firefox Android

✕Not supportedup to 157

Current: 157

Safari iOS

1–26.6Not supported

27+Supportedsince Sep 14, 2026

Current: 27

How to use

Not supported in Firefox, Firefox Android. Use feature detection below and provide a fallback (or a polyfill) for those browsers.

Example

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

Feature detection

CSS · check before using

@supports (height: stretch) {
  /* styles that rely on height: stretch */
}

/* or in JavaScript */
if (CSS.supports("height", "stretch")) {
  // use it
}

Specification

drafts.csswg.org#stretch-fit-sizing ↗

Sub-features

Support for each part of the feature (6). The overall table above shows when the whole feature works.

Sub-feature	Chrome	Edge	Firefox	Safari	Chrome Android	Firefox Android	Safari iOS
height.stretch	138	138	✕	27	138	✕	27
max-height.stretch	138	138	✕	27	138	✕	27
max-width.stretch	138	138	✕	27	138	✕	27
min-height.stretch	138	138	✕	27	138	✕	27
min-width.stretch	138	138	✕	27	138	✕	27
width.stretch	138	138	✕	27	138	✕	27