<!DOCTYPE html>
<html>
<head>
<title>Basic syntax of CCS</title>
<style type="text/css">
<!-- Selector {declaration}
Selector {property:property value;property:property value ;Attribute:Attribute value;.....} -->
p{color:blue;font-size:40px;}
<!-- Selector Grouping-->
b,h1,h2{color:blue;}
</style>
</head> ;
<body style="background:pink;">
<p>php中文网</p>
<b>php is the best language</b>
<h1>php is the best language</h1>
< h2>php is the best language</h2>
</body>
</html>
If you run it and try it, you will know whether it can succeed. Judging from the code, there is no problem.