body{margin:0 auto;
width:100%;
background-color: #fff; 
background-image: 
linear-gradient(90deg, transparent 79px, #abced4 79px, #abced4 81px, transparent 81px),
linear-gradient(#eee .1em, transparent .1em);
background-size: 100% 1.2em;
font-family:"Trebuchet MS", Arial, Helvetica, sans-serif;
font-size:12px;
}

#contenedor{
	margin:0 auto;
	width:50%;
background-color:#FFF;
padding:20px;}

label{display:block;}
.tb_archi{background:#FFF;
width:500px;
margin: 0 auto;
}

a{text-decoration:none;
color:#000;}
a:hover{color:#C30;}

* {
				margin:0px;
				padding:0px;
			}
			ul, ol {
				list-style:none;
			}
			nav > li {
				float:left;
			}
			
			.nav li a {
				background-color:#FFF;
				color:#000;
				text-decoration:none;
				padding:10px 12px;
				display:block;
			}
			.nav li a:hover {
				background-color:#F60;
			}
			
			.nav li ul {
				display:none;
				position:absolute;
				min-width:140px;
			}
			
			.nav li:hover > ul {
				display:block;
			}
			
			.nav li ul li {
				position:relative;
			}
			
			.nav li ul li ul {
				right:-140px;
				top:0px;
				#header {
				margin:auto;
				width:500px;
				font-family:Arial, Helvetica, sans-serif;
			}
				#header {
				margin:auto;
				width:700px;
				font-family:Arial, Helvetica, sans-serif;
			}



.titulo{
}