.fondoopaco
{
	position: absolute;
	left: 0px;
	top: 0px;
	z-index: 3000;
	width: 100%;
	height: 100%;
	background-color:#f9f4f6;/* Color alternativo para versiones que no soporten degradados */
	background-image:-webkit-gradient(linear, left top, left bottom, color-stop(0, #f9f4f6), color-stop(1, #FFFFFF));/* Safari 4+ y Chrome 1+ */
	background-image:-webkit-linear-gradient(#f9f4f6, #FFFFFF);/* Safari 5.1+ y Chrome 10+ */
	background-image:-moz-linear-gradient(top, #f9f4f6, #FFFFFF);/* Firefox 3.6+ */
	background-image:-o-linear-gradient(top, #f9f4f6, #FFFFFF);/* Opera 11.10+ */
	filter:progid:DXImageTransform.Microsoft.gradient(startColorStr='#f9f4f6', EndColorStr='#FFFFFF');/* Internet Explorer 5.5+ */	
}
.fondocongelado {
	-webkit-user-select: none; /* Chrome/Safari */        
	-moz-user-select: none; /* Firefox */
	-ms-user-select: none; /* IE10+ */
	/* Rules below not implemented in browsers yet */
	-o-user-select: none;
	user-select: none;
}
.fondotraslucido {
	/* Required for IE 5, 6, 7 */
	/* ...or something to trigger hasLayout, like zoom: 1; */
	width: 100%; 
		
	/* Theoretically for IE 8 & 9 (more valid) */	
	/* ...but not required as filter works too */
	/* should come BEFORE filter */
	-ms-filter:"progid:DXImageTransform.Microsoft.Alpha(Opacity=50)";
	
	/* This works in IE 8 & 9 too */
	/* ... but also 5, 6, 7 */
	filter: alpha(opacity=50);
	
	/* Older than Firefox 0.9 */
	-moz-opacity:0.5;
	
	/* Safari 1.x (pre WebKit!) */
	-khtml-opacity: 0.5;
    
	/* Modern!
	/* Firefox 0.9+, Safari 2?, Chrome any?
	/* Opera 9+, IE 9+ */
	opacity: 0.5;
}
.classUp
{
    background: #ffffff;
	z-index: 3050;
	position: absolute;
	left: 50%;
	top: 50%;
	width: 800px;
	height: 600px;
	margin-top:-300px;
    margin-left:-400px;
	border:outset 1px #660000;	 
	display:none;
}
.divX
{
	z-index: 3050;
	position: absolute;
	left: 0;
	top: 1px;
	height: 30px;
	display:none;
	cursor:pointer;	
	
	background-color:#F0DAE3;/* Color alternativo para versiones que no soporten degradados */
	background-image:-webkit-gradient(linear, left top, left bottom, color-stop(0, #F0DAE3), color-stop(1, #FFFFFF));/* Safari 4+ y Chrome 1+ */
	background-image:-webkit-linear-gradient(#F0DAE3, #FFFFFF);/* Safari 5.1+ y Chrome 10+ */
	background-image:-moz-linear-gradient(top, #F0DAE3, #FFFFFF);/* Firefox 3.6+ */
	background-image:-o-linear-gradient(top, #F0DAE3, #FFFFFF);/* Opera 11.10+ */
	filter:progid:DXImageTransform.Microsoft.gradient(startColorStr='#F0DAE3', EndColorStr='#FFFFFF');/* Internet Explorer 5.5+ */	
	
	-webkit-user-select: none; /* Chrome/Safari */        
	-moz-user-select: none; /* Firefox */
	-ms-user-select: none; /* IE10+ */
	/* Rules below not implemented in browsers yet */
	-o-user-select: none;
	user-select: none;
	
	/* Required for IE 5, 6, 7 */
	/* ...or something to trigger hasLayout, like zoom: 1; */
	width: 100%; 
		
	/* Theoretically for IE 8 & 9 (more valid) */	
	/* ...but not required as filter works too */
	/* should come BEFORE filter */
	-ms-filter:"progid:DXImageTransform.Microsoft.Alpha(Opacity=50)";
	
	/* This works in IE 8 & 9 too */
	/* ... but also 5, 6, 7 */
	filter: alpha(opacity=50);
	
	/* Older than Firefox 0.9 */
	-moz-opacity:0.5;
	
	/* Safari 1.x (pre WebKit!) */
	-khtml-opacity: 0.5;
    
	/* Modern!
	/* Firefox 0.9+, Safari 2?, Chrome any?
	/* Opera 9+, IE 9+ */
	opacity: 0.5;
	
}
.divX:hover
{
	left: 0px;
	top: 1px;
	width: 100%;
	height: 30px;
	background-color:#CFA5BD;/* Color alternativo para versiones que no soporten degradados */
	background-image:-webkit-gradient(linear, left top, left bottom, color-stop(0, #CFA5BD), color-stop(1, #FFFFFF));/* Safari 4+ y Chrome 1+ */
	background-image:-webkit-linear-gradient(#CFA5BD, #FFFFFF);/* Safari 5.1+ y Chrome 10+ */
	background-image:-moz-linear-gradient(top, #CFA5BD, #FFFFFF);/* Firefox 3.6+ */
	background-image:-o-linear-gradient(top, #CFA5BD, #FFFFFF);/* Opera 11.10+ */
	filter:progid:DXImageTransform.Microsoft.gradient(startColorStr='#CFA5BD', EndColorStr='#FFFFFF');/* Internet Explorer 5.5+ */	
	
	-webkit-user-select: none; /* Chrome/Safari */        
	-moz-user-select: none; /* Firefox */
	-ms-user-select: none; /* IE10+ */
	/* Rules below not implemented in browsers yet */
	-o-user-select: none;
	user-select: none;
	
	/* Required for IE 5, 6, 7 */
	/* ...or something to trigger hasLayout, like zoom: 1; */
	width: 100%; 
		
	/* Theoretically for IE 8 & 9 (more valid) */	
	/* ...but not required as filter works too */
	/* should come BEFORE filter */
	-ms-filter:"progid:DXImageTransform.Microsoft.Alpha(Opacity=50)";
	
	/* This works in IE 8 & 9 too */
	/* ... but also 5, 6, 7 */
	filter: alpha(opacity=50);
	
	/* Older than Firefox 0.9 */
	-moz-opacity:0.5;
	
	/* Safari 1.x (pre WebKit!) */
	-khtml-opacity: 0.5;
    
	/* Modern!
	/* Firefox 0.9+, Safari 2?, Chrome any?
	/* Opera 9+, IE 9+ */
	opacity: 0.5;
}
.spveraviso
{
	font-style:italic;
	text-decoration:underline;
	cursor:pointer;
}
<!--
.classUp @page { margin: 2cm }
.classUp P { margin-bottom: 0.21cm }
.classUp A:link { so-language: zxx }
-->