Pseudo-classes

:lang

Pseudo class that targets an element with the same language code.

:hover

Pseudo class thats active when the cursor is ontop of an element

For hover to take effect on links that have been visited it must come after :visited
The order to specify the pseudo classes is :link :visited :hover :active.

:focus

Pseudo class targeting the element that currently has the focus.

See also:

• :active
• :visited
• :hover
• :checked

:first-child

Pseudo class element. The first sibling of it's type within the parent element.

See also:

• :nth-child
• :last-of-type
• :nth-last-child
• :nth-of-type
• :only-child
• :only-of-type

:first

First page of a document when @page has been used.