组选择器
.box01 + tab 快捷键
<div class="box01"> </div>
将公共的样式提取出来放到一组里面，不一样的样式另外定义
<!DOCTYPE html>
<html lang="zh">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<title>组选择器</title>
<style type="text/css">
/* .box01{
font-size: 20px;
text-indent: 40px;
color: #00FFFF;
}
.box02{
font-size: 20px;
text-indent: 40px;
color: burlywood;
}
.box03{
font-size: 20px;
text-indent: 40px;
color: cornflowerblue;
} */
/* 组选择器 */
.box01,.box02,.box03{
font-size: 20px;
text-indent: 40px;
}
.box01{
color: #00FFFF;
}
.box02{
color: burlywood;
}
.box03{
color: cornflowerblue;
}
</style>
</head>
<body>
<div class="box01">不错的体验</div>
<div class="box02">很好的经历</div>
<div class="box03">相当炫酷的解决办法</div>
</body>
</html>
