MDN wants to learn about developers like you: https://qsurvey.mozilla.com/s3/d6d7ff2e2f9c

TabAtkins

成为会员
TabAtkins

近期活跃的文档

查看所有活动
页面 日期 评论

Using CSS variables


:root is a pseudo-class, not a pseudo-element

Using CSS variables


No such thing as ::root, correct is :root pseudo-class.

@media


@media


Kill the Media Groups section; it doesn't really do anything.

@media