html源码（html+css）
* {
margin: 0;
padding: 0;
margin: 0 auto;
text-align: center;
}
body {
background-color: #f3f5f7;
}
a {
text-decoration: none;
}
.header {
width: 1200px;
height: 42px;
margin: 30px auto;
}
.logo {
width: 197px;
height: 42px;
float: left;
}
.nav ul li a {
text-decoration: none;
padding: 0 10px;
height: 42px;
display: block;
line-height: 42px;
font-size: 18px;
color: #050505;
font-family: 微软雅黑;
}
li {
list-style: none;
}
.nav {
height: 42px;
float: left;
margin-left: 80px;
}
.nav ul li {
float: left;
margin: 0 15px;
}
.nav ul li a:hover {
border-bottom: 2px solid #00a4ff;
color: #00a4ff;
}
.search {
width: 412px;
height: 42px;
float: left;
margin-left: 50px;
}
.search input {
float: left;
width: 345px;
height: 40px;
border: 1px solid #00A4FF;
border-right: 0px;
font-size: 14px;
font-family: 微软雅黑;
color: #bfbfbf;
padding-left: 15px;
}
.search button {
float: left;
width: 50px;
height: 42px;
background:url(images/);
border: 0;
}
.user {
font-size: 14px;
color: #666666;
float: right;
line-height: 42px;
margin-right: 30px;
}
.banner {
height: 420px;
background-color: #1c036c;
}
.banner-o {
width: 1200px;
height: 420px;
margin: 0 auto;
background: url(images/);
background-repeat: no-repeat;
background-position: top center;
}
.subnav {
width: 190px;
height: 420px;
background: rgba(0,0,0,0.3);
float: left;
}
.subnav ul li a {
font-size: 14px;
color: #ffffff;
text-decoration: none;
}
.subnav ul li {
height: 45px;
line-height: 45px;
padding: 0 20px;
}
.subnav ul li a span {
float: right;
}
.subnav ul li a:hover{
color: #00b4ff;
}
.course {
width: 230px;
height: 300px;
float: right;
background-color: #ffffff;
margin-top: 50px;
}
.course h2 {
width: 230px;
height: 48px;
line-height: 48px;
color:#ffffff;
text-align: center;
font-size: 18px;
background-color: #9bceea;
}
.course-o {
padding: 0 20px;
}
.course-o ul li {
padding: 15px 0;
border-bottom: 1px solid #a5a5a5;
}
.course-o ul li h4 {
font-size: 16px;
color: #4e4e4e;
}
.course-o ul li p {
font-size: 12px;
color: #a5a5a5;
}
.course-o .more{
display: block;
color: #00a4ff;
border: 1px solid #00a4ff;
height: 40px;
font-size: 16px;
text-align: center;
line-height: 40px;
margin-top: 3px;
font-weight: 700;
}
.shoping {
height: 60px;
width: 1200px;
background-color: #ffffff;
margin: 10px auto;
box-shadow: 0px 2px 3px 3px rgba(0,0,0,0.1);
line-height: 60px;
}
.shoping h3{
margin-left: 30px;
float: left;
font-size: 16px;
color: #00a4ff;
}
.shoping ul li a {
float: left;
padding: 0 30px;
font-size: 16px;
color: #050505;
}
.shoping .shoping-o{
margin-right: 30px;
float: right;
font-size: 14px;
color: #00a4ff;
}
.box {
width: 1200px;
margin: 34px auto;
}
.box-head {
height: 40px;
}
.box-head h3{
font-size: 20px;
color: #494949;
line-height: 34px;
float: left;
}
.box-head a {
font-size: 12px;
color: #a5a5a5;
float: right;
line-height: 34px;
padding-right: 30px;
}
.box-body ul {
width: 1225px;
}
.box-body ul li {
width: 228px;
height: 270px;
float: left;
background-color: #ffffff;
margin-right:15px ;
margin-bottom: 15px;
}
.box-body ul li {
position: relative;
}
.box-body ul li .img {
width: 100%;
}
.box-body ul li h3 {
font-size: 14px;
color: #050505;
margin: 25px 20px 15px 25px;
}
.box-body ul .box-body-div{
font-size: 12px;
color: #999999;
margin-left: 25px;
}
.box-body ul .box-body-div span{
color: #ff7c2d;
}
.box-body ul li em img{
position: absolute;
top: 4px;
right: -4px;
}
.footer {
height: 417px;
}
.clear {
clear: both;
}
.footer-o {
width: 1200px;
margin: 0 auto;
padding-top: 35px;
}
.footer-o-left{
float: left;
}
.footer-o-right {
float: right;
}
.footer-o-left p {
font-size: 12px;
color: #666666;
margin: 20px 0px 15px 0px;
}
.footer-o-left-app {
display: block;
font-size: 16px;
color: #00a4ff;
border: 1px solid #00a4ff;
width: 120px;
height: 35px;
line-height: 35px;
text-align: center;
}
dl {
float: left;
}
.footer-o-right dt {
font-size: 16px;
color: #333333;
margin-bottom: 15px;
}
.footer-o-right dd {
font-size: 12px;
color: #333333;
padding-bottom: 5px;
}
.footer-o-right dl {
margin-left: 150px;
}
.fix {
position: fixed;
top: 550px;
left: 20px;
}