* {
	margin:0;
	padding:0;
}
 
body {
	background:#FFFFFA;
}
 
header {
	width:100%;
}
 
header nav {
	width:100%;
	max-width:1100px;
	background:#f58220;
}
 
.menu_bar {
	display:none;
}
 
header nav ul {
	overflow:hidden;
	list-style:none;
}
 
header nav ul li {
	float:left;
}
 
header nav ul li a {
	color:#fff;
	padding:15px;
	display:block;
	text-decoration:none;
}
 
header nav ul li span {
	margin-right:0px;
}
 
header nav ul li a:hover {
	background:#f58220;
}
.cajaGrande{
	width:100%;
}
.cajaGrande2{
	width:100%;
}
.cajaNormal{
	width:171px;
	background:#E7E7E7;
}
.cajaNormal1{
	width:171px;
}
.cajaChica{
	width:105px;
	background:#E7E7E7;
}
 
section {
	
}
 
@media screen and (max-width:800px ) {
	header nav {
		width:80%;
		height:100%;
		left:-100%;
		margin:0;
		position: fixed;
	}
	.cajaGrande{
		height:50px;
	}
	.cajaNormal{
		width:85px;
	}
	.cajaNormal1{
		width:85px;
	}
	.readonly{
		width:85px;
	}
	.cajaChica{
	width:55px;
	}
	header nav ul li {
		display:block;
		float:none;
		border-bottom:1px solid rgba(255,255,255, .3);
	}
 
	.menu_bar {
		display:block;
		width:100%;
		background:#ccc;
	}
 
	.menu_bar .bt-menu {
		display:block;
		padding:10px;
		background:#f58220;
		color:#fff;
		text-decoration:none;
		font-weight: bold;
		font-size:25px;
		-webkit-box-sizing:border-box;
		-moz-box-sizing:border-box;
		box-sizing:border-box;
	}
 
	.menu_bar span {
		float:right;
		font-size:40px;
	}
}