.header {
    width: 100%;
    background-image: linear-gradient(#53b7ce, #53b7ce);
}
.banner{
margin: 0 auto;
height: 190px;
background: url(../images/151117042015.jpg)  50% 50% no-repeat;
}
.menud {
        background-image: linear-gradient(#a9d9e5, #7cc7da);
        height: 40px;
        margin-bottom: 5px;
}
.menud .menu {
    width: 1100px;
    padding-bottom: 5px;
    margin: 0 auto;
    clear: both;
}
.menud .menu li {
    float: left;
    width: 25%;
    text-align: center;
    height: 40px;
    padding: 0px;
    background: none;
}
.menud .menu li a{display: block;width: 100%;letter-spacing: 2px;height: 40px;line-height: 40px;font-weight: 700;font-size: 17px;font-family: Microsoft YaHei;color: #ffffff;/* background-image: linear-gradient(#a9d9e5, #7cc7da); */}
.copyright {
    height: 90px;
    background: #eae9e9;
    font-family: Microsoft YaHei;
}
.menu .m li{
  padding: 8px;
  margin-top:10px;
  background: none;
  border: 1px solid #53b7ce;
}
.menu .m li a{
  font-size:16px;
}