.sig{clear:both;display:table-cell;margin:0px 0px;padding:0; max-width:530px;}
.sig_clr{clear:both;}
.sig_thumb{float:left;background:url(shadowAlpha.png) no-repeat bottom right!important;margin:0 10px 10px;padding:0;}
.sig_thumb img{display:block;position:relative;background:#ccc;border:1px solid #999;margin:-5px 5px 5px -5px;padding:4px;}
.sig_caption{margin-left: auto;margin-right: auto;text-align: center;display: block;font-weight:bold;}