CSS · At-rules, values and responsive design

@import

Loads another stylesheet. It must come before every other rule except @charset and @layer.

cssRunnable example css course

Syntax

@import url("theme.css");

Example

Try it

@import url("data:text/css,.demo%7Bcolor%3A%232f74c0%7D");

Reference pages are the quick answer. The course explains the why, shows the full example and ends with a challenge.