基础知识及背景
The web and web standards - Learn web development | MDN (mozilla.org)
How the web works - Learn web development | MDN (mozilla.org)
Populating the page: how browsers work - Web Performance | MDN (mozilla.org)
前端开发入门教程
Front-end web developer - Learn web development | MDN (mozilla.org)
CSS基础知识
How CSS works - Learn web development | MDN (mozilla.org)
BEM — Block Element Modifier (getbem.com)
Mastering margin collapsing - CSS: Cascading Style Sheets | MDN (mozilla.org)
Block formatting context - Developer guides | MDN (mozilla.org)
The stacking context - CSS: Cascading Style Sheets | MDN (mozilla.org)