是谁在耳边对我说!important提升权重优先级,只为这一句,我用了3600s研究通配符与标签!important的背景展示,也是让我怀疑人生了!选择器权值:标签选择器1,类选择器和伪类选择器:10,ID选择器:100,通配符选择器:0,行内样式:1000,!important 在一定条件下,优先级最高。根据百度官方介绍body是用在网页中的一种HTML标签,那就说明它是个标签呀,然而通配符选择器(曾怀疑*不是,不过通配符选择器介绍)和标签body同时定义页面背景色,展示的却是通配符定义的,咋办?曰:/*如果非在通配符定义背景的前提下,让body背景颜色正常展示,加高*/,除了body外,其他标签正常展示,适用于这个css选择器优先级!若有理解不当地方,欢迎指正...
1 <!DOCTYPE html> 2 <html lang="en"> 3 <head> 4 <meta charset="UTF-8"> 5 <meta name="viewport" content="width=device-width, initial-scale=1.0"> 6 <title>通配符背景色 PK body!important的背景色</title> 7 <style type="text/css"> 8 *{ 9 margin: 0; 10 padding: 0; 11 background-color: cadetblue; 12 } 13 body{ 14 background-color: crimson; 15 /* border: 10px solid blueviolet; */ 16 /* background-color: yellow!important; */ 17 height: 500px;/*如果非在通配符定义背景的前提下,让body背景颜色正常展示,加高*/ 18 } 19 div{ 20 background-color: salmon; 21 } 22 p{ 23 background-color: #fff; 24 } 25 div.box{ 26 border: 1px dashed red; 27 background-color:#f90; 28 } 29 div#box{ 30 color: #fff; 31 background-color:rgb(20, 13, 14); 32 } 33 </style> 34 </head> 35 <body> 36 <div class="box" id="box"> 37 人生充满了惊喜与感动,调整好心态,做最好的自己 Life is full of surprises and emotions, adjust your mindset, and be your best self 38 </div> 39 <p>web is very much!web is very much!web is very much!web is very much!web is very much!web is very much!web is very much!web is very much!</p> 40 </body> 41 </html>
原文地址:https://www.cnblogs.com/dhnblog/p/12342577.html
时间: 2024-10-14 17:12:53