The :focus-within CSS pseudo-class represents an element that has received focus or contains an element that has received focus. Scroll Snap, Responsive Images, Focus Styles and Logical Properties.

Issue 139. A Broader Focus. This CSS Reference shows the basic syntax of a CSS rule; lists all standard CSS properties, pseudo-classes and pseudo-elements, @-rules, units, and selectors, all together in alphabetical order, as well as just the selectors by type and allows you to quickly access detailed information for each of them. This event is implicitly applicable to a limited set of elements, such as form elements (,