#contenedor-galeria { position: relative; height: 550px; width: auto; overflow: hidden; }
#contenedor-galeria ul { height: auto; padding: 0; margin: 0 !important; list-style-type: none; }
#contenedor-galeria ul li { float: left; height: 100px; width: 100px; margin: 3px; }
#contenedor-galeria ul li:before { content: "" !important; }
#contenedor-galeria a.galeria span { position: absolute; width: 1px; height: 1px; top: 250px; left: 4.5em; overflow: hidden; }

#contenedor-galeria a.galeria, #contenedor-galeria a.galeria:visited {display:block; color:#000; text-decoration:none; border:0px solid #000; margin:0 ; text-align:left; cursor:default;}
#contenedor-galeria a.imgA {background: url(../../imagenes/thumbs/th1.jpg); height: 100px; width: 100px;}
#contenedor-galeria a.imgB {background: url(../../imagenes/thumbs/th2.jpg); height: 100px; width: 100px;}
#contenedor-galeria a.imgC {background: url(../../imagenes/thumbs/th3.jpg); height: 100px; width: 100px;}
#contenedor-galeria a.imgD {background: url(../../imagenes/thumbs/th4.jpg); height: 100px; width: 100px;}
#contenedor-galeria a.imgE {background: url(../../imagenes/thumbs/th5.jpg); height: 100px; width: 100px;}
#contenedor-galeria a.imgF {background: url(../../imagenes/thumbs/th6.jpg); height: 100px; width: 100px;}
#contenedor-galeria a.imgG {background: url(../../imagenes/thumbs/th7.jpg); height: 100px; width: 100px;}
#contenedor-galeria a.imgH {background: url(../../imagenes/thumbs/th8.jpg); height: 100px; width: 100px;}
#contenedor-galeria a.imgI {background: url(../../imagenes/thumbs/th9.jpg); height: 100px; width: 100px;}
#contenedor-galeria a.imgJ {background: url(../../imagenes/thumbs/th10.jpg); height: 100px; width: 100px;}
#contenedor-galeria a.imgK {background: url(../../imagenes/thumbs/th11.jpg); height: 100px; width: 100px;}
#contenedor-galeria a.imgL {background: url(../../imagenes/thumbs/th12.jpg); height: 100px; width: 100px;}

#contenedor-galeria a.galeria:hover {border: 1px solid #fc0;}
#contenedor-galeria a.galeria:hover span {position: absolute; width: 500px; height: 300px; }
#contenedor-galeria a.galeria:hover img { margin: 0;}