#jump_bg {
    background-color: #000;
    position: absolute;
    left: 0px;
    top: 0px;
    z-index: 9999;
    opacity: 0.6;
    width: 100%;
    height: 100%;
    display: block;
}
#video_jump_box{
    width: 640px;
    position: fixed;
    top: 50%;
    left: 50%;
    background-color: #fff;
    z-index: 9999;
    border-radius: 6px;
    display: block;
    padding:30px 50px;
}
#video_jump_box h3{
    color: #333;
    font-size: 24px;
    padding-bottom: 10px;
}
#video_jump_box h3>span{
    padding:10px;
}
.jump_close {
    position: absolute;
    opacity: 0.6;
    filter: alpha(opacity=60);
    background: url(http://img.sfkedu.com/static/web/2016tm/img/new_close_icon.png) no-repeat;
    width: 30px;
    height: 30px;
    right: 15px;
    top: 15px;
    overflow: hidden;
    text-indent: -999px;
}