1.HTML：
<body><div id = "content"><div id = "box"><div id ="top"><div id = "top-left"><span id = "logo">MI</span><span id = "text-logo">小米账号</span></div><div id = "top-right"><a class = "text1" href="#">用户协议</a><a class = "text1" href="#">隐私政策</a><a class = "text1" href="#">帮助中心</a><span class = "text1"> | </span><a class = "text1" href="#">(中文简体)</a></div></div><div id ="center"><div id = "menu"><div id = "menu-login"><span class ="menu-text" id ="id">登录</span><div id="line" class ="checked"></div></div><div id ="menu-regist"><span class ="menu-text" id = "regist">注册</span></div></div><input class = "input" id = "username" placeholder="邮箱/手机号/小米ID"/><br/><input class="input" id="password" type="password" placeholder="密码"/><div id="box-moren"><input type="checkbox"/><span id="moren">已阅读并同意小米账号用户协议和与隐私协议</span></div><span id="btn-login">登录</span><div id="other-login"><span class="other">忘记密码</span><span class="other" id="way-right">手机号登录</span></div><div id="otherway">其他方式登录</span><div id ="4img"><img src="img/1.jpg" class="image"/><img src="img/1.jpg" class="image"/><img src="img/1.jpg" class="image"/><img src="img/1.jpg" class="image"/></div></div><div id ="bottom">小米公司版权所有-京ICP备10046444-京公网安备11010802020134号-京ICP证110507号</div></div></div></body>css代码：
<meta charset="utf-8"><title></title><style type="text/css">*{margin: 0;padding: 0;}html,body{width: 100%;height: 100%;}#content{width: 100%;height: 100%;min-width: 1040px;min-height: 500px;background-color: #f2f2f2;position: relative;background-image: url("img/1.jpg");background-size:auto 100%;background-repeat: no-repeat;}#box{width:80% ;height: 100%;/* background-color: red; */position: absolute;top: 0;right: 0; }#top{width: 100%;height: 30px;/* padding-top: 20px; */}#top-left{width: 120px;height: 30px;position: relative;display: inline-block;padding: 5px;}#logo{background: rgba(255, 105, 0, 1);color: white;font-size: 25px;wargin-left:3px;bottom: 20px;text-align: center;line-height: 40px;font-weight: bold;border-radius: 3px;}#text-logo{font-size: 20px;left: 10px;font-weight: bold;coler:black;}#top-right{width: 400px;height: 30px;position: absolute;right: 0;display: inline-block;/* background-color: blue; */padding: 10px;}.text1{font-size:15px;color: gray;margin-left: 20px;text-decoration: none;}.text:hover{color: orangered;}#center{width: 41%;height: 500px;position: absolute;/* background-color: yellow; */left: 50%;margin-left: -22%;top: 130px;box-shadow: 0 0 10px gainsboro;}#menu{width: 34%;height: 40px;position: relative;}#menu-login{display: inline-block;width: 60px;height: 28px;font-size: 16px;text-align: center;position: relative;}.menu-text{margin-bottom: 10px;font-weight: 500;color: #333333;}.line{width: 30px;height: 3px;background-color: orangered;position: absolute;left: 50%;margin-left: -15px;bottom: 0;border-radius: 10px; }#menu-regist{display: inline-block;width: 60px;height: 28px;}#regist{color: gainsboro;}.input{width: 80%;display: block;margin: 20px auto;height: 30px;padding-left: 5px;border:0 solid red;background: #f1f1f1;outline: none;border-radius: 3px;}#box-moren{font-size: 12px;width: 80%;margin: 0 auto;}#moren{position: relative;font-size: 12px;top: -2px;}#btn-login{width: 80%;display: block;margin: 0px auto;background: rgba(255, 92, 0, 0.6);color: white;text-align: center;margin-top: 20px;height: 50px;line-height: 50px;border-radius: 5px;}#other-login{width: 80%;display: block;margin: 0px auto;font-size: 14px;color: orangered;position: relative;margin-top: 10px;}#way-right{position: absolute;right: 0;}#otherway{width: 100%;font-size: 15px;text-align: center;color: gray;margin-top: 15px;}#4img{width: 80%;display: block;margin: 0 auto;position: relative;margin-top: 20px;margin-bottom: 30px;}.image{width: 40px;height: 40px;border-radius: 50%;margin-left:20px ;}#bottom{width: 100%;height: 20px;position: absolute;font-size: 14px;/* background-color: green; */bottom: -130px;color: #bcbcbc;text-align: center;/* margin-left: -15%;bottom: 0px; */}</style>效果图：
小米官网图
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