<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Document</title>
<style type="text/css">
p{
color: red;
font: 14px "宋体";
}
</style>
</head>
<body>
<p>测试1。</p>
<p>测试2。</p>
<h1>测试3。</h1>
<h1>测试4。</h1>
</body>
</html>
实现效果: