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.
Learning resources on MDN
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
Surveys
- 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
Specifications
View web-platform-tests results for this feature - View the feature source file (dist) - Edit the feature - Report an issue about this feature