今天，分享一个让你大开眼界的技巧。通过使用这个技巧，你可以将整个网页变成一个CSS编辑器。没错，你从未见过这种方法。当我第一次尝试时，我完全被震惊到了。

This definition explains the meaning of CSS (cascading style sheets) and how using them with HTML pages is a user interface (UI) development best practice that complies with the separation of concerns ...