:first-child

A pseudo-class that targets an element only if it is the very first child of its parent.

Quick example

li:first-child {
  /* Highlights the first item in every list */
  font-weight: bold;
  color: #3b82f6;
}

:first-child Browser Support

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.

4+
3+
3.1+
12+
ESC