Learn how to use @scope to select elements only within a limited subtree of your DOM.| Chrome for Developers
How to correctly use sectioning elements to give meaning to your content.| web.dev
Sometimes two or more competing CSS rules could apply to an element. In this module find out how the browser chooses which to use, and how to control this selection.| web.dev
An evergreen CSS course and reference to level up your web styling expertise.| web.dev