top.css
#top{
height: 120px;
/*background-color: lightblue;*/
}
/*图标顶部*/
#top #icon{
height: 80px;
/*想要icon子标签在绝对定位的时候相对自己定位*/
position: relative;
}
#top #icon #image{
position: absolute;
left: 186px;
/*垂直方向居中*/
top: 50%;
margin-top: -30px;
}
#top #icon #questionnaire{
position: absolute;
right: 188px;
bottom: 10px;
/*字体*/
font-size:12px;
color: rgb(147,147,147);
/*去掉下划线*/
text-decoration: none;
/*设置背景图片
*background:图片地址 是否平铺 水平方向的位置 垂直方向的位置 背景颜色
*/
background:url(../img/q-icon.png) no-repeat 0 center rgba(0,0,0,0) ;
/*padding让文字往后挪*/
padding-left: 22px;
}
#top #icon #questionnaire:hover{
color: rgb(216,48,60);
text-decoration: underline;
}
/*隐私政策*/
#top #privacy{
background-color: rgb(255,246,236);
height: 40px;
}
#top #privacy p{
/*垂直方向居中(在父标签中)
*1）设置高度和父标签一样
*2）设置行高和自己的高度一样
*/
height: 40px;
line-height: 40px;
text-align: center;
font-size: 12px;
color: rgb(147,147,147);
position: relative;
}
#top #privacy p img{
position: absolute;
top: 50%;
margin-top: -8px;
}
#top #privacy p a{
color: rgb(50,50,50);
text-decoration: none;
}
#top #privacy p a:hover{
text-decoration: underline;
color: rgb(216,48,60);
}
middle.css
#middle{
height: 475px;
/*background-color: lightgoldenrodyellow;*/
background: url(../img/bg2.png) no-repeat 150px center rgb(71,147,202);
}
#middle #login-box{
width: 350px;
height: 400px;
background-color: white;
float: right;
margin-right: 188px;
margin-top: 10px;
}
/*================================第一块=========================*/
#middle #login-box #box1{
height: 95px;
}
/*警告*/
#middle #login-box #box1 #warning{
background-color: rgb(255,246,236);
/*内容垂直方向居中*/
height: 40px;
line-height: 40px;
/*设置水平方向布局方式*/
text-align: center;
}
#middle #login-box #box1 #warning font{
font-size: 12px;
color: rgb(147,147,147);
}
#middle #login-box #box1 #warning img{
/*内容垂直方向的布局方式*/
vertical-align: middle;
}
/*选择*/
#middle #login-box #box1 #choice{
height: 55px;
color: rgb(242,242,242);
font-size: 17px;
font-weight: 100;
}
#middle #login-box #box1 #choice button{
width: 170px;
height: 100%;
background-color: rgba(0,0,0,0);
border: 0;
font-size: 20px;
color: rgb(94,92,93);
}
/*设置按钮成为焦点时的样式*/
#middle #login-box #box1 #choice button:focus{
color: rgb(217,46,56);
/*按钮成为焦点时外面默认的边框是outline*/
outline: 0;
}
/*=================================第二块==========================================*/
#middle #login-box #box2{
height: 255px;
border-top: 1px solid rgb(240,240,240);
border-bottom: 1px solid rgb(240,240,240);
position: relative;
}
#middle #login-box #box2 div{
width: 310px;
height: 40px;
background-color: white;
border: 1px solid rgb(150,150,150);
margin-top: 30px;
margin-left: 20px;
}
#middle #login-box #box2 #user-name{
margin-top: 30px;
}
#middle #login-box #box2 #password{
margin-top: 20px;
}
/*输入框中的图片*/
#middle #login-box #box2 div img{
width: 40px;
height: 40px;
border: 1px solid rgb(184,184,184);
/*margin-left: 20px;
margin-bottom: 30px;*/
}
/*input标签*/
#middle #login-box #box2 div input{
width: 260px;
height: 100%;
vertical-align: top;
border: 0;
outline: 0;
}
#middle #login-box #box2 div input:focus{
outline: 0;
}
/*按钮*/
#middle #login-box #box2 button{
width: 310px;
height: 35px;
margin-left: 20px;
position: absolute;
bottom: 30px;
border: 0;
background-color: rgb(214,36,50);
font-size: 21px;
color: white;
}
#middle #login-box #box2 button:focus{
outline: 0;
}
#middle #login-box #box2 button:active{
border: 4px solid rgba(35,138,194,0.8);
}
#middle #login-box #box2 a{
position: absolute;
right: 20px;
font-size: 12px;
color: rgb(147,147,147);
text-decoration: none;
margin-top: 20px;
}
#middle #login-box #box2 a:hover{
text-decoration: underline;
color: rgb(216,48,60);
}
/*===================第三块================*/
#middle #login-box #box3{
height: 50px;
line-height: 50px;
}
#middle #login-box #box3 a{
text-decoration: none;
font-size: 14px;
color: rgb(184,184,184);
padding-left: 25px;
}
/*QQ*/
#middle #login-box #box3 #qq{
float: left;
margin-left: 20px;
background:url(../img/qq.png) no-repeat 0 center rgba(0,0,0,0);
}
/*竖线*/
#middle #login-box #box3 font{
float: left;
font-size: 10px;
color: rgb(240,240,240);
margin-left: 16px;
margin-right: 13px;
}
/*微信*/
#middle #login-box #box3 #weixin{
float: left;
background:url(../img/weixin.png) no-repeat 0 center rgba(0,0,0,0);
}
/*注册*/
#middle #login-box #box3 #register{
float: right;
margin-right: 20px;
font-size: 14px;
color: rgb(214,36,50);
background:url(../img/right.png) no-repeat 0 center rgba(0,0,0,0);
}
bottom.css
#bottom{
height: 105px;
/*background-color: greenyellow;*/
}
#bottom div{
/*background-color: aquamarine;*/
height: 50px;
line-height: 50px;
text-align: center;
}
#bottom p{
text-align: center;
font-size: 12px;
color: rgb(147,147,147);
}
#bottom font{
margin-left: 15px;
margin-right: 15px;
font-size: 10px;
font-weight: 700;
}
#bottom a{
font-size: 12px;
color: rgb(97,97,97);
text-decoration: none;
}
#bottom a:hover{
color: rgb(216,48,60);
text-decoration: underline;
}
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8" />
<title>京东，欢迎登录</title>
<!--关闭所欲标签默认的margin和padding-->
<link rel="icon" type="image/ico" href="img/jd_logo.ico"/>
<style type="text/css">
*{
margin: 0;
padding: 0;
}
</style>
<!--顶部样式-->
<link rel="stylesheet" type="text/css" href="css/top.css"/>
<!--中间样式-->
<link rel="stylesheet" type="text/css" href="css/middle.css"/>
<!--底部样式-->
<link rel="stylesheet" type="text/css" href="css/bottom.css"/>
</head>
<body>
<!--==============网页顶部====================-->
<div id="top">
<!--图标-->
<div id="icon">
<div id="image">
<a href="#">
<img src="img/logo.png"/>
</a>
<img src="img/l-icon.png"/>
</div>
<a href="#" id="questionnaire">登录页面，调查问卷
</a>
</div>
<!--隐私-->
<div id="privacy">
<p><img src="img/xx.png"/>  从依据《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 href="https://about.jd.com/privacy/" target="_blank">《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>
<!--==============网页中间===================-->
<div id="middle">
<div id="login-box">
<div id="box1">
<div id="warning">
<img src="img/xx.png"/>
<font>京东不会以任何理由要求你转账汇款，谨防诈骗</font>
</div>
<!--登录方式选择-->
<div id="choice">
<button>扫码登录</button>|
<button>账号登录</button>
</div>
</div>
<!--登录账号密码-->
<div id="box2">
<div id="user-name">
<label for="for1"><img src="img/pygame.png"/></label>
<input type="" name="for1" id="username" value="" placeholder="邮箱/用户名/已验证手机"/>
</div>
<div id="password">
<label for="for2"><img src="img/password_icon.png"/></label>
<input type="" name="for2" id="username" value="" placeholder="密码"/>
</div>
<a target="_blank" href="https://aq.jd.com/process/findPwd?s=1">忘记密码</a>
<button>登 录</button>
</div>
<!--第三方登录-->
<div id="box3">
<a href="" id="qq">QQ</a><font>|</font>
<a href="" id="weixin">微信</a>
<a href="" id="register">立即注册</a>
</div>
</div>
</div>
<!--==============网页底部===================-->
<div id="bottom">
<div id="">
<a href="">关于我们</a><font>|</font>
<a href="">联系我们</a><font>|</font>
<a href="">人才招聘</a><font>|</font>
<a href="">商家入驻</a><font>|</font>
<a href="">广告服务</a><font>|</font>
<a href="">手机京东</a><font>|</font>
<a href="">友情链接</a><font>|</font>
<a href="">销售联盟</a><font>|</font>
<a href="">京东社区</a><font>|</font>
<a href="">京东公益</a><font>|</font>
<a href="">English Site</a><font></font>
</div>
<p>Copyright © 2004-2019 京东JD.com 版权所有</p>
</div>
</body>
</html>
结果：
image.png
