CSS: :root selector
Match Root Element (Element with No Parent)
:root-
Match the the Root Element .
/* make all text red */ :root { color: red; } This is often used in CSS Variable, by declaring variables in root, e.g.
:root { --mycolor: pink; }.
CSS, Selectors
Selector types
- CSS: types of selectors
- CSS: simple selectors
- CSS: compound selectors
- CSS: complex selector (combinator)
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
Special selector
- CSS: :root selector
- CSS: no child selector
- CSS: first child, sibling rank selector
- CSS: nth-child selector
- CSS: pseudo-class selector (:)
- CSS: pseudo-element selector (::)
- CSS: negation selector (:not)
- CSS: “is any of” selector (:is, :where)
- CSS: :has descendant selector