部分代码展示：
<!DOCTYPE html>
<html>
<head><meta charset="utf-8"><title>百度一下，你就知道</title><style type="text/css">/*清除元素默认性质*/body { margin: 0;padding: 0;list-style: none;text-decoration: none;font-size: 1;font-family: "宋体";background-color: white;}/*全部a元素的基础属性*/a { color: #00c;text-decoration: none;}a:hover{color:red;text-decoration: underline;}/*顶部的行*/#topline { text-align: right;font-size:20px;margin:10px 10px;}/*百度图标*/#logo { margin-top: 10px;text-align: center;}/*百度应用*/#apps { margin-top: 20px;text-align: center;font-size: 30px;font-weight: bold;}/*搜索*/#search {margin-top: 20px;text-align: center;}#search #enter{ /*搜索内容*/width:600px;height:30px;font-size: 20px;font-weight: 400;vertical-align: middle;border: 1px solid black;border-radius: 10px 10px 10px 10px;}#search #submit{ /*搜索按钮*/width:100px;height:37px;font-size: 20px;font-weight: 500; vertical-align: middle;cursor: pointer;color: white;background-color:#3836E0;border: 1px solid black;border-radius: 10px 10px 10px 10px;}/*热搜*/#hotnews #title {margin-top: 50px;}#hotnews #title a{font-size: 20px;font-family: Arial Bold;font-weight: 900;color:black;margin-left: 485px;}#hotnews #hotlist{display: flex;justify-content: center;}#hotnews #hotlist ul {padding-top: 5px;width: 280px;display: inline-block;}#hotnews #hotlist li{height: 36px;line-height: 36px;font-size: 20px;text-align: left;}#hotnews #hotlist a{height: 36px;line-height: 36px;font-size: 20px;padding-left: 20px;}#hotnews ul{list-style-type:none;}#hotnews #top3{font-weight: bold;}#hotnews #top3 #one,#hotnews #top3 #one a{color: #cc061d;}#hotnews #top3 #two,#hotnews #top3 #two a{color: rgb(240, 105, 15);}#hotnews #top3 #three,#hotnews #top3 #three a{color: #f0a923;}#hotnews #else ul li,#hotnews #else ul li a{color:#72747d}/*底部的行*/#bottomline{margin-top: 240px;position: absolute;left: 50%; transform: translateX(-50%); }</style>
</head>
<body><div id="topline"><a href="https://www.baidu.com/gaoji/advanced.html">设置</a>|<a href="https://passport.baidu.com/">登录</a></div><div id="logo"><a href="https://www.baidu.com/" target="_blank"><img src="https://www.baidu.com/img/PCtm_d9c8750bed0b3c7d089fa7d55720d6cf.png" title="点此进入百度官网" width="370" height="180"></a></div><div id="apps"><a href="http://news.baidu.com/" target="_blank">新闻</a><a href="https://map.baidu.com/" target="_blank">地图</a><a href="http://image.baidu.com/" target="_blank">图片</a><a href="https://haokan.baidu.com/" target="_blank">视频</a><a href="http://tieba.baidu.com/" target="_blank">贴吧</a><a href="https://wenku.baidu.com/" target="_blank">文库</a><a href="https://baike.baidu.com/" target="_blank">百科</a><a href="https://www.baidu.com/more/" target="_blank">更多>></a></div><div id="search"><input id="enter" type="text" maxlength="25" value="最多输入20个字"/><input id="submit" type="submit" value="百度一下"/></div><div id="hotnews"><div id="title"><a href="https://top.baidu.com/" target="_blank">百度热搜></a></div>界面展示：
