1 <!doctype html> 2 <html lang="en"> 3 ????<head> 4 ????????<meta charset="UTF-8"> 5 ????????<meta name="Generator" content="EditPlus?"> 6 ????????<meta name="Author" content=""> 7 ????????<meta name="Keywords" content=""> 8 ????????<meta name="Description" content=""> 9 ????????<title>Document</title>10 ????????<style type="text/css">11 ????????????div{12 ????????????????width:300px;13 ????????????????height:30px;14 ????????????????background:yellow;15 ????????????}16 ????????????#heizi{17 ????????????????width:200px;18 ????????????????height:20px;19 ????????????????background:blue;20 ????????????}21 ????????????.objk{22 ????????????????width:100px;23 ????????????????height:10px;24 ????????????????background:green;25 ????????????}26 ????????</style>27 ????????<!--28 ????????????class相当于名字, 而id相当于是身份证(唯一性);所有当多个同类标签需要用到同一样式时需要用class(可以有多个名称); 29 ????????-->30 ????</head>31 ????<body>32 ????????<div id="heizi">小猪佩奇</div>33 ????????<div class="ojbk ooo pppp mmm">可爱龙猫</div>34 ????????<div class="objk" style="width:500px;height:50px;background:pink;">泡泡小鱼</div>35 ????</body>36 </html>
css基本选择器
原文地址:https://www.cnblogs.com/soTired/p/10087953.html