Pseudo-class
Styles an element in a state, like :hover, with one colon.
What is a pseudo-class?
A pseudo-class styles an element in a certain state or position, like hovered, focused or first in a list. It starts with one colon.
button:hover { background: darkblue; }
li:first-child { font-weight: bold; }
Level: Apprentice · More CSS terms at this level
Updated