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
simple selectors
- CSS: element selector (tag name)
- CSS: universal selector (* any tag)
- CSS: class selector
- CSS: ID selector
- CSS: attribute selector
- CSS: multiple attributes selector
selector list
relationship selectors (combinators)
- CSS: descendant selector (space)
- CSS: child selector (>)
- CSS: subsequent sibling selector (~)
- CSS: adjacent sibling selector (+)
special selector
- CSS: :root selector
- CSS: no child selector
- CSS: sibling selector
- CSS: pseudo-class selector (:)
- CSS: pseudo-element selector (::)
- CSS: negation selector (:not)
- CSS: is any of selector (:is, :where)
- CSS: :has descendant selector