html部分：
<!--
index就是网站的首页
-->
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8" />
<title>京东-欢迎登录</title>
<link rel="icon" href="img/jd_logo.ico" type="image/ico"/>
<link rel="stylesheet" type="text/css" href="css/index.css"/>
</head>
<body>
<!--===============顶部==============-->
<div id="header">
<!--========顶部的上==========-->
<div id="top">
<div>
<img src="img/logo.png"/>
<img src="img/l-icon.png"/>
</div>
<a id="survey" target="_blank" href="https://surveys.jd.com/index.php?r=survey/index/sid/568245/lang/zh-Hans">登录页面，调查问卷</a>
</div>
<!--=========顶部的下=========-->
<div id="bottom">
<p><img src="img/warning.png"/>   依据《网络安全法》，为保障您的账户安全和正常使用，请尽快完成手机号验证！ 新版<a target="_blank" href="https://about.jd.com/privacy/">《京东隐私政策》</a>已上线，将更有利于保护您的个人隐私。</p>
</div>
</div>
<!--===============中间==============-->
<div id="content">
<img id="bg" src="img/bg2.jpg" no-repeat/>
<div id="logoin_page">
<div id="div1">
<p><img src="img/warning.png"/>   京东不会以任何理由要求您转账汇款，谨防诈骗。</p>
</div>
<div id="div2">
<button>扫码登录</button>|
<button>账号登录</button>
</div>
<div id="div3">
<div id="username">
<img src="img/pygame.png"/>
<input type="text" name="username" id="username" value="" placeholder="邮箱/用户名/已验证手机"/>
</div>
<div id="password">
<img src="img/password_icon.png"/>
<input type="password" name="password" id="password" value="" placeholder="密码"/>
</div>
<a href="">忘记密码</a><br />
<button>
登 录
</button>
</div>
<div id="div4">
<a href="" id="a1">QQ</a>|
<a href="" id="a2">微信</a>
<a href="" id="a3">立即注册</a>
</div>
</div>
</div>
<!--===============底部===============-->
<div id="footer">
<div>
<a href="">关于我们</a>|
<a href="">联系我们</a>|
<a href="">人才招聘</a>|
<a href="">商家入驻</a>|
<a href="">广告服务</a>|
<a href="">手机京东</a>|
<a href="">友情链接</a>|
<a href="">销售联盟</a>|
<a href="">京东社区</a>|
<a href="">京东公益</a>|
<a href="">English Site</a>
</div>
<p>Copyright © 2004-2018 京东JD.com 版权所有</p>
</div>
</body>
</html>
css部分：
/*=========(通用)===========*/
*{
/*重置样式*/
margin: 0;
padding: 0;
position: relative;
}
/*==========顶部===========*/
#header{
height: 120px;
/*background-color: paleturquoise;*/
}
#header #top{
height: 80px;
/*background-color: #98FB98;*/
}
#header #top div{
width: 292px;
/*height: 80px;*/
/*background-color: pink;*/
position: absolute;
left: 278px;
top:50%;
margin-top: -30px;
line-height: 60px;
}
#header #top #survey{
position: absolute;
right: 278px;
bottom: 11px;
color: #979797;
font-size: 12.5px;
font-family: "宋体";
text-decoration: none;
/*添加背景图*/
/*backgroud:url(图片地址) repeat/no-repeat x y 背景颜色
x,y：x坐标和y坐标对应的值，除了可以设置数字值以外，还可以设置center，让背景图在x方向和y方向居中
* */
padding-left: 20px;
background: url(../img/q-icon.png) no-repeat;
}
#header #top #survey:hover{
color: red;
text-decoration: underline;
}
#header #bottom{
height: 40px;
background-color: #FFF8F0;
text-align: center;
}
#header #bottom p{
color: #979797;
font-size: 12.5px;
line-height: 40px;
}
#header #bottom p a{
color: black;
text-decoration: none;
}
#header #bottom p a:hover{
color: black;
text-decoration: underline;
}
#header #bottom p img{
/*垂直居中*/
height: 25px;
position: absolute;
top: 50%;
margin-top: -11px;
line-height: 25px;
}
/*==========中间===========*/
#content{
height: 470px;
background-color: #f282a6;
}
#content #bg{
position: absolute;
left: 278px;
}
#content #logoin_page{
height: 400px;
width: 340px;
background-color: white;
position: absolute;
right: 278px;
top: 10px;
}
#content #logoin_page #div1{
height: 40px;
background-color: #FFF8F0;
}
#content #logoin_page #div1 p{
font-size: 12px;
line-height: 40px;
color: #979797;
text-align: center;
}
#content #logoin_page #div1 img{
position: absolute;
line-height: 40px;
top: 50%;
margin: -12px 0 0 0;
}
#content #logoin_page #div2{
height:60px ;
color: rgba(0, 0, 0, 0.6);
font-weight: 100;
}
#content #logoin_page #div2 button{
height: 100%;
width: 48%;
background-color: white;
border: 0;
/*float: left;*/font-size: 18px;
color: #979797;
sty
font-size: 18px;
}
#content #logoin_page #div2 button:focus{
color: red;
outline: 0;
}
#content #logoin_page #div3{
height: 250px;
border-top: solid rgba(244, 244, 244, 0.6) 1px;
border-bottom: solid rgba(244, 244, 244, 0.6) 1px;
}
#content #logoin_page #div3 div{
/*background: #98FB98;*/
width: 90%;
height: 40px;
margin-left: 5%;
margin-top: 30px;
border: solid rgba(97, 97, 97, 0.6) 1px;
}
#content #logoin_page #div3 #username{
/*margin-top: 30px;*/
}
#content #logoin_page #div3 div img{
width: 40px;
height: 40px;
float: left;
border-right: solid rgba(97, 97, 97, 0.6) 1px;
}
#content #logoin_page #div3 div input{
height: 40px;
width: 255px;
border: 0;
float: left;
padding-left: 10px;
font-size: 13px;
}
#content #logoin_page #div3 div input:focus{
outline: 0;
}
#content #logoin_page #div3 a{
position: absolute;
right: 25px;
margin-top: 20px;
color: #979797;
font-size: 12px;
text-decoration: none;
}
#content #logoin_page #div3 a:hover{
color: red;
text-decoration: underline;
}
#content #logoin_page #div3 button{
width: 90%;
margin-left: 5%;
height: 35px;
position: absolute;
bottom: 20px;
background-color: #e3393a;
border: none;
color: white;
font-size: 20px;
}
#content #logoin_page #div4{
height: 50px;
background-color: #fcfcfc;
line-height: 50px;
color: rgba(244,244,244);
}
#content #logoin_page #div4 #a1{
margin-left: 17px;
margin-right: 10px;
line-height: 25px;
color: #979797;
font-size: 13px;
text-decoration: none;
padding-left: 25px;
/*background-color: black;*/
background: url(../img/qq.png) no-repeat 0 center;
}
#content #logoin_page #div4 #a2{
margin-left: 10px;
margin-right: 13px;
color: #979797;
font-size: 13px;
text-decoration: none;
padding-left: 25px;
background: url(../img/weixin.png) no-repeat 0 center;
}
#content #logoin_page #div4 #a3{
position: absolute;
right: 13px;
font-size: 14px;
text-decoration: none;
color: #E3393A;
padding-left: 25px;
background: url(../img/right.png) no-repeat 0 center;
}
#content #logoin_page #div4 #a1:hover{
color: red;
text-decoration: underline;
}
#content #logoin_page #div4 #a2:hover{
color: red;
text-decoration: underline;
}
#content #logoin_page #div4 #a3:hover{
text-decoration: underline;
}
/*==========底部============*/
#footer{
height: 106px;
background-color: white;
text-align: center;
}
#footer div{
height: 50px;
text-align: center;
line-height: 50px;
font-size: 12px;
color: #6a6a6a;
}
#footer div a{
margin: 0 12px;
color: #6a6a6a;
text-decoration: none;
}
#footer div a:hover{
color: red;
text-decoration: underline;
}
#footer p{
color: #6a6a6a;
font-size: 11.5px;
}
效果：
image
