html,body{
margin:0px;
padding:0px;
height:100%;   
}
#cortina_on{
				width:100%;
				height:100%;
				background-color:#000;
				position:absolute;
				left:0px;
				top:0px;
				text-align:center;
				filter:alpha(opacity=50);
				-moz-opacity:0.5;
				opacity: 0.5;
				z-index:1;
}
#cortina_off{
				width:0px;
				height:0px;
				
}

#caja{
        				
        				margin:0 auto;

}

#cajon { 
        				margin-top:350px;
        				text-align:center;
					width:100%;
					
}

#accion{
	margin-top:20px;
    
}
.verde{
        				width:280px;
        				font-weight:bold;
        				font-family: Verdana, Arial, sans-serif;
        				background:url('/img/barr3.png') repeat-x;
        				background-color:#c9ff8a;
        				border:#FFF solid 1px;
        				color:green;
        				font-size:13px;
        				margin:0 auto;
        				margin-top:180px;
        				padding:8px;
        				padding-top:20px;
        				text-align:center;
}
.azul{
        				width:280px;
        				font-weight:bold;
        				font-family: Verdana, Arial, sans-serif;
        				background:url('/img/barr5.png') repeat-x;
        				background-color:#8aabff	;
        				border:#FFF solid 1px;
        				color:blue;
        				font-size:13px;
        				margin:0 auto;
        				margin-top:180px;
        				padding:8px;
        				padding-top:20px;
        				text-align:center;
}
.red{
        				width:280px;
        				font-weight:bold;
        				font-family: Verdana, Arial, sans-serif;
        				background:url('/img/barr4.png') repeat-x;
        				background-color:#ff8a8a	;
        				border:#FFF solid 1px;
        				color:red;
        				font-size:13px;
        				margin:0 auto;
        				margin-top:180px;
        				padding:8px;
        				padding-top:20px;
        				text-align:center;
}