.sidenav {
		min-height: 100%;
		width:0;
		position: fixed;
		z-index: 1000;
		top:0;
		left:0;
		overflow-x:hidden;
		transition:0.2s;
		padding-top:1%;
		border-right:solid 2px #828181;
		-webkit-box-shadow: 3px 0px 5px 0px rgba(0,0,0,0.6);
		-moz-box-shadow: 3px 0px 5px 0px rgba(0,0,0,0.6);
		box-shadow: 3px 0px 5px 0px rgba(0,0,0,0.6);
		background-color:#000000;
	}
	.sidenav a {
		padding: 12px 5px 12px 5px;
		text-decoration: none;
		color: #818181;
		display: block;
		transition: 0.3s;
		border-bottom:solid 1px #383738;
		background-image:url(../imag/sombra_sidenav.png);
		background-position:right center;
		background-repeat:repeat-y;

	}
	.sidenav #_arriba_menu {
		float:left;
		background-image:url(../imag/arriba_menu.jpg);
		width:100%;
		height:160px;
		background-size:cover;
		background-repeat:no-repeat;
		border-bottom:solid 1px #29446f;
		border-top:solid 1px #29446f;
		margin-bottom:5%;
		top:0px;
	}
	.sidenav #_elMEnu {
		float:left;
		margin-left:5%;
		width:88%;
		height:55%;
		overflow-y: scroll;
		overflow-x: hidden;
	}
	.sidenav #_title_menu {
		float:left;
		font-size:.8em;
		color: #818181;
		margin-left:3%;
		margin-top:5%;
	}
	.sidenav .closebtn {
		float:right;
		margin:2%;
	}
	@media screen and (max-height: 450px) {
		.sidenav {padding-top: 15px;}
		.sidenav a {font-size: 18px;}
	}
	.openbtn{
		float:left;
		background-image:url(../imag/rayitas_menu.png);
		background-size:cover;
		height:30px;
		width:30px;
		margin-top:2%;
		margin-left:2%;
		margin-right:0%;
		margin-bottom:2%;
	}