摘要：<html><head> <meta charset="utf-8"> <title>hello world</title></head><body><div style="background: yellow; height: 300px ; width: 400px"
<html>
<head>
<meta charset="utf-8">
<title>hello world</title>
</head>
<body>
<div style="background: yellow; height: 300px ; width: 400px">你好</div>
<p style="background: red;">Hello</p>
<span style="background: yellow; height: 300px ; width: 400px">啊啊噢噢</span>
<b>嘻嘻哈哈</b>
<img src="">
</body>
</html>
