/* 这里去掉,因为与common.css中重复了
a{
    font-size:12px;
    color:#666666;
    text-decoration: none;
}
a:hover{
    font-size:12px;
    color:#5eb4ef;
    text-decoration: underline;
}
.clear{
    clear:both;
}

.header {
    width: 100%;
    height: 20px;
    font-size: 12px;
    color: #fff;
    background: #f47415 none repeat 0 0;
}
*/

.download-main {
    margin: auto;
    overflow: hidden;
    width: 1200px;
}
.download-main .downl_a {
    float: left;
    width: 590px;
    height: 510px;
    border: 1px solid #e1e1e1;
    position: relative;
}