Size

Utilities for controlling the width and height of an element simultaneously.

Class CSS Output
size-auto
width: auto;
height: auto;
size-full
width: 100%;
height: 100%;
size-screen
size-0
width: calc(var(--spacing) * 0);
height: calc(var(--spacing) * 0);
size-4
width: calc(var(--spacing) * 4);
height: calc(var(--spacing) * 4);
size-8
width: calc(var(--spacing) * 8);
height: calc(var(--spacing) * 8);
size-1/2
width: calc(1/2 * 100%);
height: calc(1/2 * 100%);
size-1/3
width: calc(1/3 * 100%);
height: calc(1/3 * 100%);
size-[100px]
width: 100px;
height: 100px;

Reference

height MDN ↗
width MDN ↗