CSS: pseudo-element selector (::)
tag::first-letter-
the first letter of a tag element.
tag is optional. It can be a simple selector (selecting by tag name, id, class etc) or a compound selector (combination of tag name, id, class etc). If empty, it means the universal selector (* any tag).
tag::first-line-
the first rendered line of a tag element.
tag::before-
insert content before a tag element.
tag::after-
insert content after a tag element.
tag::marker-
Selects the marker box of a list item.
Other pseudo-element selectors
::cue::selection::slotted
CSS. pseudo-element and pseudo-class
CSS. Selectors
Selector types
Simple selectors
- CSS: type selector (tag name)
- CSS: universal selector (* any tag)
- CSS: class selector (.x)
- CSS: ID selector (#)
- CSS: attribute selector ([x])
Combinators
- CSS: descendant selector (space)
- CSS: child selector (>)
- CSS: adjacent sibling selector (+)
- CSS: subsequent sibling selector (~)
Selector list
Nesting syntax
Special selector
- CSS: :root selector
- CSS: no child selector
- CSS: first child, last child, only child selectors
- CSS: nth-child selector
- CSS: nth-child arg of selector
- CSS: nth-of-type selector
- CSS: pseudo-class selector (:)
- CSS: pseudo-element selector (::)
- CSS: :not negation selector
- CSS: :has descendant selector