html 样式
DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>styletitle>
head>
<body style="background-color: yellow;">
<p style="background-color: red;">this is a pp>
<p style="font-family: arial;color: red;">this is fontp>
<p style="text-align: center;">this is textp>
body>
html>