.carousel_div1{background:url(../img/f1.jpg) fixed center center}.carousel_div2{background:url(../img/q1.jpg);background-size: 100% 100%;  background-attachment: fixed;}.carousel_div3{background:url(../img/f3.jpg) fixed center center}.layer_notice{background:#5fb878 none repeat scroll 0 0;float:left;height:75px;overflow:hidden;padding:10px;width:330px}.layer_notice ul li{color:#fff}.video-player{background-color:transparent;min-width:100%;min-height:100%;display:block;position:absolute;z-index:1;top:0}.video_mask{width:100%;height:100%;position:absolute;left:0;top:0;z-index:90;background-color:rgba(0,0,0,0.3)}.login{width:440px;padding:20px;background-color:rgba(0,0,0,0.5);border-radius:4px;position:absolute;left:50%;top:35%;margin:-150px 0 0 -150px;z-index:99;text-align:center;    margin-left: -220px;}.form_code{position:relative}.form_code .code{position:absolute;right:0;top:0;cursor:pointer}.login_btn{width:100%}.text-white{color:whitesmoke}

.dl{
    margin: 0 0 10px 0;
}