#slide{top:0;background-color:white;height:100%;margin:0;}
@media screen and (max-width:680px){#slide{height:100%;margin:0 auto;}
#slide .banner-pic{height:auto;margin:0 auto;}
.section-header ul li{margin-bottom:0;}
}
.gizwits4_img{width:50px;height:50px;}
.banner7 tbody tr{height:173px;}
#return-top{
    position: fixed;
    right: 0;
    bottom: 160px;
    z-index: 99999;
}