body,div{background-color:#f8f8f8;margin:0px auto 0px auto; padding:0px;}
table {width: 95%;background: #ccc;margin:10px auto 10px auto;border-collapse: collapse;}
th,td {height:18px;line-height:18px;border: 1px solid #ccc; padding:2px;}
th {background: #eee;font-weight: normal;}
tr {background: #fff;}
tr:hover {background: #f1f1f1;}
.sy{background-image:url(sy.png)!important;}
.dh{margin:0px!important; padding:0px 0px 0px 5px!important;}
.ratio {position: relative;width: 100%;height: 0;padding-bottom: 75%;} 
.ratio iframe {position: absolute;width: 100%;height: 100%;left: 0;top: 0;}