body{background-color:#fff;}
.headerImg {
    width: 1200px;
    height: 300px;
    margin: 0 auto;
}
.headerImg img{
    width: 100%;
    height: 100%;
}
.nav {
    width: 1200px;
    height: 43px;
    margin: 0 auto;
    background-image: url('../img/achievementsnav.png');
    background-size: 42px 100%;
}
.nav ul{
    list-style: none;
}
.nav ul li {
    float: left;
    position:relative;
}
.nav ul li a {
    width: 120px;
    height: 43px;
    line-height: 43px;
    text-align: center;
    display: inline-block;
    color: #fff;
    font-size: 16px;
}
.nav ul li a:hover {
    background: #a80600;
}
.nav ul li .navSub {
    width:120px;
    position:absolute;
    display:none;
    background: #ce2215;
}
.nav ul li:hover .navSub {
    display:block
}
.footer{
    width: 1200px;
    height: 120px;
    margin: 0 auto;
    padding-top: 20px;
    border-top: 2px solid #CCCCCC;
}
.footer p{
    text-align: center;
    font-size: 14px;
    margin-bottom: 15px;
}