body{
	background-color: #f1f1f1;
	
}

#cabecera
{

		
	background-color: #D53522;
	position: fixed;
	width: 100%;
	height: auto;
	left: 0px;
	font-family: Arial ;
	top: 0;
	left: 0px;
		
}
#contenido{
	width: 300px;
	position:;
	background-color: #f2f2f2;
	height: auto;
	border:;
	
}