Computed-value time

The step when specified values become computed values.

What is computed-value time?

Computed-value time is the step when the browser turns specified values into computed values. var() is replaced at this point.

.box { --gap: 12px; margin: var(--gap); }   /* var() is replaced at computed-value time */

Level: Master · More CSS terms at this level

Updated September 27, 2026