.ms-lightbox-template{max-width:750px;padding:5px 5px 0.1px 5px;margin:0 auto;background:#000;}
.ms-lightbox-template .ms-lightbox-btn{position:absolute;bottom:20px;right:20px;}
.ms-lightbox-template .ms-lightbox{text-indent:9999px;display:block;width:55px;height:52px;margin:-42px;background:url(lightbox-btn.png) no-repeat center;}