Customizable <select> will have a popover element inside the UA shadowroot for the picker. We need a pseudo-element to target this element, and it needs a name and some supported capabilities. We ...

This repository demonstrates a subtle CSS bug where a pseudo-element selector (::before or ::after) is applied to an element that does not exist in the HTML. This leads to the style rule being ...

Google posted on Twitter "we recommend not adding meaningful content or symbols using ::before or ::after CSS pseudo-elements." Google said such content "might not be used for indexing your pages." ...

The latest stable version of the web browser Google Chrome, version 140, has been released. There are many new features and changes to CSS. The scroll-target-group property specifies whether an ...

CSS Container Queries Flat Tree Lookup: This change is only relevant for shadow DOM where an element will now be able to see non-named containers inside shadow trees into which the element or one of ...