ul.gallery { height: 1000px; overflow: auto; width: 100%; }

.gallery {list-style:none;width:200px}
.gallery li{display:block;width:80px;height:60px;overflow:hidden;float:left;margin:0 10px 10px 0}
.gallery li a{display:none}
.gallery li div{position:absolute;display:none;top:0;left:180px}
.gallery li div img{cursor:pointer}
.gallery li.active div img,.galleria li.active div{display:block}
.gallery li img.thumb{cursor:pointer;top:auto;left:auto;display:block;width:auto;height:auto}
.gallery li .caption{display:block;padding-top:.5em}
* html .gallery li div span{width:400px} /* MSIE bug */

div#main_image { width: 450px; height: 360px; margin: auto; vertical-align: middle; padding: 0; }
div#main_image img { border: 3px solid; padding: 1px; }


.gallery_demo { width: 100%; }
.gallery_demo li { width: 80px; height: 76px; margin: 4px 4px; }

div#galleria { width: 90%; margin: auto; text-align: center; }
div#galleria img { float: none; }
div#galleria p.thumb_nav { clear: both; text-align: center; font-size: 1.4em; }