CSS · Selectors and cascade

Pseudo-element

A keyword that selects a part of an element, such as the first line, first letter or a marker.

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Syntax

::before, ::after, ::marker

Example

Try it

li::marker { color: #2f74c0; font-weight: 700; }

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