#gallery {width:534px; position:relative; height:60px; padding-top:356px; margin:0 113px 90px 113px; left:-100px}

#gallery img.left {width:55px; height:62px; float:left;cursor:pointer;}
#gallery img.right {width:55px; height:62px;  float:right;cursor:pointer;}

#gallery ul {list-style:none; padding:0; margin-left:35px; float:left; }
#gallery ul li {display:inline; width:50px; height:50px; float:left; margin:0 4px; border:1px solid #000; cursor:pointer;}

#gallery ul li.hide {display:none;}

/* using background images */
#gallery ul li.th1 {background: url(images/tecnici/55/HYDROLOGY.jpg);}
#gallery ul li.th2 {background: url(images/tecnici/55/GREEN.jpg);}
#gallery ul li.th3 {background: url(images/tecnici/55/FREE.jpg);}



/* remove visibility:hidden; if you want to use the original images as thumbnails */
#gallery ul li img {visibility:hidden; display:block; width:50px; height:50px;}

#gallery ul li span {display:none; position:absolute; left:61px; top:430px; width:411px;font-family:verdana, arial, sans-serif; color:#666; font-size:11px; line-height:15px; text-align:justify;}
#gallery ul li b {color:#444;}

#gallery ul li.chosen {border-color:#000; cursor:default;}
#gallery ul li.chosen div {position:absolute; left:0; top:0; width:532px; height:355px;}
#gallery ul li.chosen div i {width:530px; height:355px; display:table-cell; vertical-align:middle; text-align:center;} 
#gallery ul li.chosen div i img {visibility:visible; width:auto; height:auto; border:1px solid #aaa; margin:0 auto;}
#gallery ul li.chosen span {display:block;}