A CSS pseudo-element is a keyword added to a selector that lets you style a specific part of the selected element(s).
/* CSS3 syntax */::first-letter/* CSS2 syntax */:first-letter 示例: HTML My headingLorem ipsum dolor sit amet, consetetur sadipscing elitr, sed diam nonumy eirmod tempor invidunt ut labore et dolore magna aliquyam erat, sed diam voluptua. At vero eos et accusam et justo duo d...
pseudoselectors. In your situation, setting content to""will get rid of it, but if you're setting borders or backgrounds or whatever, you need to zero those out specifically. As far as I know, there's no one cure-all for removing everything about a before/after element regardless of ...
The ::marker pseudo-element allows list item markers to be styled or have their content value customized.Chrome ❌ 4 - 85: Not supported ✅ 86 - 132: Supported ✅ 133: Supported ✅ 134 - 136: Supported Edge ❌ 12 - 85: Not supported ✅ 86 - 131: Supported ✅ 132: ...
{{EmbedGHLiveSample("css-examples/learn/selectors/first-child.html", '100%', 800)}} {{EmbedGHLiveSample("css-examples/learn/selectors/first-child2.html", '100%', 700)}} {{EmbedGHLiveSample("css-examples/learn/selectors/hover.html", '100%', 500)}} ...
If you’ve ever used:beforeor:afterin your selector and it had thecontentstyle in it, you’ve made a pseudo-element. They get inserted into the DOM and can be thought of as freespanelements that can have text that originates from CSS. ...
If you want to disable resizing, set the resize CSS property to none. This also hides the control and has the added benefit of working in all browsers that support resizing textareas. The ::-webkit-resizer pseudo-element also allows for some basic styling. If you thought the resize ...
The ::selection CSS pseudo-element applies rules to the portion of a document that has been highlighted (e.g., selected with the mouse or another pointing device) by the user. IE 5.5 - 8: Not supported 9 - 10: Supported 11: Supported ...
MDN 是否常用:是 ▲ 返回目录 not 即*:not() 描述:它是一个取反的伪类,ie7/8只支持[element~element], [attr*=] 这种方式。 浏览器支持:chrome, safari 3.2+, firefox 3.5+, opera, ie 9+, ios, android 是否常用:是 案例展示: demo ▲ 返回目录 ...
A CSS pseudo-class is a keyword added to a selector that lets you style a specific state of the selected element(s). For example, the pseudo-class :hover can be used to select a button when a user's pointer hovers over the button and this selected button