<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>富豪排行榜</title>
<link type="text/css" href="testcss.css"/>
</head>
<body>
<font class="style1">富豪排行榜</font><br/>
<span class="style2">王健林</span><br/>
<span class="style3">马云</span><br/>
<span class="style4">马化腾</span><br/>
<span class="style3">潘石屹</span><br/>
<span class="style3">丁磊</span><br/>
</body>
</html>
下边是引入的css文件：
.style1{
font-size: 50px;
color: red;
}
.style2{
color: red;
font-weight: bold;
}
.style3{
background-color: gray;
font-weight: bold;
}
.style4{
font-weight: bold;
text-decoration-style: underline;
}
西兰花伟大炮