.menu_bar {
	display:none;
}
 
header {
	width: 100%;  
}
 
header nav {
	background:#f0f0f0;
	z-index:999999;
	max-width: 100%;
	width:100%;
	margin:0px auto; 
	padding:0px; 
}
 
header nav ul {
	list-style:none; text-align:right; margin:0px; padding:0px;
}
 
header nav ul li {
	display:inline-block;
	position: relative;text-align:left;
}
 
header nav ul li:hover {
	background:#e4e4e4;   
	
}
 
header nav ul li a {
	color:#444;
	display:block;
	text-decoration:none;
	font-size:14px;
	padding: 15px 30px;
	border-left:solid 1px #fff;
}
 
header nav ul li a:hover{text-decoration:none;  }
 
header nav ul li a span {
	margin-right:10px;
}
 
header nav ul li:hover .children {
	display:block;
}
 
header nav ul li .children {
	display: none;
	background:#f0f0f0; 
	position: absolute;
	width: 150%;
	z-index:1000;
}
 
header nav ul li .children li {
	display:block;
	overflow: hidden;
	border-bottom: 1px solid #fff;
}
 
header nav ul li .children li a {
	display: block;
}
 
header nav ul li .children li a span {
	float: right;
	position: relative;
	top:3px;
	margin-right:0;
	margin-left:10px;
}
 
header nav ul li .caret {
	position: relative;
	top:3px;
	margin-left:10px;
	margin-right:0px;
}
 
@media screen and (max-width: 800px) {
	body {
		padding-top:60px;
	}
 
	.menu_bar {
		display:block;
		width:100%;
		position: fixed;
		top:0px;		 
		background:#4a5459;
		z-index:9999999;
	}
 
	.menu_bar .bt-menu {
		display: block;
		padding: 10px 20px ;
		color: #f2f2f2;
		overflow: hidden;
		font-size: 25px;
		font-weight: bold;
		text-decoration: none; line-height:40px;
	}
 
	.menu_bar span {
		float: right;
		font-size: 40px;
		color:#f2f2f2;
	}
 
	 
	header nav {
		width: 80%;
		height: calc(100% - 80px);
		position: fixed;
		right:100%;
		margin: 0;
		overflow: scroll;
		background:#4a5459;
	}
 
	header nav ul li {
		display: block;
		border-bottom:1px solid rgba(255,255,255,.5);
	}
 
	header nav ul li a {
		display: block;
		color: #f2f2f2;
	}
 
 
	header nav ul li a span{ 
		color: #f2f2f2;
	}
 
	header nav ul li a span:hover{ 
		color: #f00;
	}
 
	header nav ul li:hover .children {
		display: none;
	}
 
	header nav ul li .children {
		width: 100%;
		position: relative;
	}
 
	header nav ul li .children li a {
		margin-left:20px; color:#4a5459;
	}
 
	header nav ul li .children li a:hover {   	}
    
	header nav ul li .children li a:hover + div  { color: #f0f;	}
	
	header nav ul li .caret {
		float: right;
	}
}