<time> | CSS Types & Functions

The standard CSS data type for durations. It can be defined in seconds (s) or milliseconds (ms).

Quick example

.fade-in {
  /* A 500ms (half second) transition time */
  transition-duration: 0.5s;
  /* Also valid: 500ms */
}

Widely available Since 2015 96% global usage

This feature is well established and works across many devices and browser versions. It has been available across browsers since 2015.

Safe to use without fallbacks.

3.1+

12+