Descendant Selector ("ancestor descendant") ancestor descendant 1.0 Any valid selector. A selector to filter the descendant elements. Selects all elements that are descendants of a given ancestor.

A descendant of an element could be a child, grandchild, great-grandchild, and so on, of that element.

Mark all inputs that are descendants of a form with a dotted blue border. Give a yellow background to inputs that are descendants of a fieldset that is a descendant of a form.
Form is surrounded by the green border.
Sibling to form: ]]>