typescriptcssv0.1
Docs

aspect-ratio

Utilities for controlling the aspect ratio of an element.

UtilityStyles
aspect[*<value>*]aspect-ratio: *<ratio>*;
aspect.squareaspect-ratio: 1 / 1;
aspect.videoaspect-ratio: var(--aspect-video); /* 16 / 9 */
aspect.autoaspect-ratio: auto;