•Select elements to apply a declared style.
•Selector types:
–Element Selectors: selects allelements of a specific type (<body>, <h1>, <p>, etc.)
–Class Selectors: selects allelements that belong to a given class.
–ID Selectors: selects a singleelement that’s been given a unique id.
–Pseudo Selectors: combines a selector with a user activated state(:hover, :link, :visited)
