The problem in your original CSS was that the , in css selectors starts a completely new selector. it is not combined.. so #f:hover ~ .abc,.a ... ... <看更多>

hide div without id or class. GitHub Gist: instantly share code, notes, ... hidediv.css. div{. display:none;. } div[id],div[class]{. display:block;. ... <看更多>

Div is hidden by default - CSS: display:none; · Text is <a> -Element with href="#". ... <看更多>

... learn how to hide elements with CSS on your website. Blog post: https://www.elegantthemes.com/blog ... ... <看更多>