*,html,body{margin:0;padding:0;text-align:left;background:transparent;}
#contenedor {padding:0;margin:0px 0 0 0;width:660px;height:470px;border:0;}
.columna{position:relative;float:left;padding:0;margin:0;border:0;text-align:center;}
.bloque01,.bloque02,.bloque03,.bloque04,.bloque05,.bloque06,.bloque07,.bloque08 {display:block;position:relative;float:left;clear:none;width:150px;height:150px;border:0;background:transparent;margin:0px 1px;}
.bloque09{display:block;position:relative;float:none;clear:both;width:150px;height:150px;line-height:150px;border:0;background:transparent;margin:5px auto;}

a {display:block;position:relative;float:left;clear:both;width:150px;height:150px;border:0;cursor:pointer;margin:0 5px;}

.bloque01 a{background:url(biblio4.jpg) no-repeat 0 0px;}
.bloque02 a{background:url(aulas4.jpg) no-repeat 0 0px;}
.bloque03 a{background:url(sw4.jpg) no-repeat 0 0px;}
.bloque04 a{background:url(hw4.jpg) no-repeat 0 0px;}
.bloque05 a{background:url(servicios4.jpg) no-repeat 0 0px;}
.bloque06 a{background:url(com4.jpg) no-repeat 0 0px;}
.bloque07 a{background:url(integracion4.jpg) no-repeat 0 0px;}
.bloque08 a{background:url(virt4.jpg) no-repeat 0 0px;}
.bloque09 a{margin:0 auto;float:none;background:url(energia4.jpg) no-repeat 0 0px;}

.bloque01 a:hover, .bloque01 a:active,.bloque02 a:hover, .bloque02 a:active,.bloque03 a:hover, .bloque03 a:active,.bloque04 a:hover, .bloque04 a:active,.bloque05 a:hover, .bloque05 a:active,.bloque06 a:hover, .bloque06 a:active,.bloque07 a:hover, .bloque07 a:active,.bloque08 a:hover,.bloque09 a:hover, .bloque08 a:active, .bloque09 a:active {background-position:0 -150px;}


.bloque01 a div {display:block;position:relative;float:left;clear:both;width:150px;height:150px;border:0;}