aspect-ratio
Widely available since 2024-03-20
The aspect-ratio CSS property controls the width-to-height ratio of elements. For <img> and <video> elements, the width and height attributes used together with height: auto control the aspect ratio while the image/video is loading.
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Specifications
Browser support
- Chrome 88 Released on 2021-01-19
- Chrome Android 88 Released on 2021-01-19
- Edge 88 Released on 2021-01-21
- Firefox 89 Released on 2021-06-01
- Firefox for Android 89 Released on 2021-06-01
- Safari 15 Released on 2021-09-20
- Safari on iOS 15 Released on 2021-09-20
Developer signals
- State of CSS 2025: features/all_features question
- State of CSS 2024: usage/favorite_new_features question
- State of CSS 2024: usage/css_interoperability_features question
- State of CSS 2024: features/all_features question
Usage (according to Chrome Platform Status)
~29.436% of page loads. More data at chromestatus.
Interop
- Included in Interop 2021
- Included in Interop 2022
Web Platform Tests (WPT)
View the latest WPT test results for this featureView as JSON | Edit this feature | Report an issue | Web-features entry: source, dist