#googlebooks {
    float: right;
    margin: 12px 0;
}

#googlebooks a.google {
    background: rgba(0, 0, 0, 0) url(../images/gbs_button_es.png) no-repeat scroll left top;
    display: block;
    height: 31px;
    width: 101px;
}

div.modal{
	position:absolute;
	top:0px;
	bottom:0px;
	left:0px;
	right:0px;
	width:100%;
	height:100%;
	overflow-y: hidden;
}

div.modal a.background{
	display:block;
	position:absolute;
	top:0px;
	bottom:0px;
	left:0px;
	right:0px;
	width:100%;
	height:100%;
	background:#000;
	filter:alpha(opacity=30);
	opacity:0.5;
	z-index:1;
	
}

div.modal div.window{
	position:fixed;
	padding:10px;
	padding-top:32px;
	margin:auto;
	top:40px;
	left:50%;
	width:800px;
	margin-left:-400px;
	height:500px;
	background:#FFF;
	z-index:2;	
	
	_margin:auto;
	_top:12px;
	_position:relative;
	_left:0;	
}

div.modal .close-modal{
	display:block;
	position:fixed;
	width:800px;
	left:50%;
	margin:auto;
	margin-left:-400px;
	z-index:3;	
	
	_margin:auto;
	_position:relative;
	_left:0;
	
}

div.modal .close-modal a{
	display:block;
	float:right;
	width:22px;
	height:22px;
	margin-top:5px;
	background:url(images/boton-close.png) no-repeat top left;
	text-indent:-100000px;
}