A combinator is something that explains the relationship between the selectors. |
A CSS selector can contain more than one simple selector. Between the simple selectors, we can include a combinator.
There are four different combinators in CSS3:
The descendant selector matches all element that are descendants of a specified element.
The following example selects all <p> elements inside <div> elements:
The child selector selects all elements that are the immediate children of a specified element.
The following example selects all <p> elements that are immediate children of a <div> element:
The adjacent sibling selector selects all elements that are the adjacent siblings of a specified element.
Sibling elements must have the same parent element, and "adjacent" means "immediately following".
The following example selects all <p> elements that are placed immediately after <div> elements:
The general sibling selector selects all elements that are siblings of a specified element.
The following example selects all <p> elements that are siblings of <div> elements: