aspect-ratio
The aspect-ratio CSS property sets a preferred aspect ratio for the box, which will be used in the calculation of auto sizes and some other layout functions.
Try it
Syntax
aspect-ratio: 1 / 1;
aspect-ratio: 1;
/* Global values */
aspect-ratio: inherit;
aspect-ratio: initial;
aspect-ratio: revert;
aspect-ratio: revert-layer;
aspect-ratio: unset;
Values
auto-
Replaced elements with an intrinsic aspect ratio use that aspect ratio, otherwise the box has no preferred aspect ratio. Size calculations involving intrinsic aspect ratio always work with the content box dimensions.
<ratio>-
The box's preferred aspect ratio is the specified ratio of
width/height. Ifheightand the preceding slash character are omitted,heightdefaults to1. Size calculations involving preferred aspect ratio work with the dimensions of the box specified bybox-sizing.
Formal definition
| Initial value | auto |
|---|---|
| Applies to | all elements except inline boxes and internal ruby or table boxes |
| Inherited | no |
| Computed value | as specified |
| Animation type | discrete |
Formal syntax
aspect-ratio =
auto ||
<ratio>
<ratio> =
<number [0,∞]> [ / <number [0,∞]> ]?
Examples
Examples of values for aspect-ratio
aspect-ratio: 1 / 1;
aspect-ratio: 16 / 9;
aspect-ratio: 0.5;
Specifications
| Specification |
|---|
| CSS Box Sizing Module Level 4 # aspect-ratio |
Browser compatibility
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