CSS中的em和px Posted Feb 14, 2020 Updated Mar 11, 2025 By Toby Qin 1 min readem,px,pt都是 CSS 中的长度单位,他们有一定的对应关系。这是一张速查表。可能有些人喜欢下面这张。 Tech css This post is licensed under CC BY 4.0 by the author. Share