#fondo{
				position:absolute;
				background: #000;
				left: 0;
				top: 0;
				width: 100%;
				height: 1000;
				opacity:0.25;
				filter:alpha(opacity="50");
			}
			#msg{
				position: absolute;
				background: #f0f0f0;
				top: 10%;
				left: 10%;
				width: 800px;
				height: 1000px;
				border:groove 1px #000;
			}
			.superior{
				background: #0A3C7E;
				width: 100%;
				height: 30px;
				color: #fff;
			}
			.cerrar {
				font-weight: bolder;
				cursor: pointer;
				font-family: arial;
				margin: 2px 5px;
				float: right;
			}