.HolyGrail {
	display: flex;
	min-height: 100vh;
	flex-direction: column;
}

#header {
	padding-top: 10px;
	padding-bottom: 10px;
	padding-left: 0;
	background-color: #E6E6FA;
	height: 100px;
	border-bottom: 1px solid #d3d3d3;
	overflow: auto;
}

#logo {

	width: 100px;
	float: left;
}

#header-middle {
	width: 300px;
	margin-left: auto;
	margin-right: auto;
}

#header-right {
	float: right;
	width: 300px;
	margin-right: 20px;
	text-align: center;
}

.HolyGrail-body {
	display: flex;
	flex: 1;
}


.HolyGrail-content {
	flex: 1;
	background-color: #708090;
}

.HolyGrail-nav{
	/* 12em is the width of the columns */
	flex: 0 0 4em;
}

.HolyGrail-nav {
	/* put the nav on the left */
	order: -1;
	width: 328px;
	z-index: 1;
	top: 0;
	left: 0;
	background: #FFD700;

	padding: 8px 0;
}

.sidenav a {
	padding: 50px 40px 20px 50px;
	text-decoration: none;
	font-size: 25px;
	color: #0000cd;
	display: block;
	border: 1px solid #333;
	box-shadow: 8px 8px 5px #444;
	background-image: linear-gradient(180deg, #fff, #ffd700 40%, #daa520);
}

.sidenav a:hover {
	color: brown; 
}
.top {
	height: 92px;
}
.left {
	width: 178px;
	float: left;
}
.main {
	width: 178px;
	font-size: 28px;
	padding: 0px 10px;
}

@media screen and (max-height: 450px) {
	.sidenav {padding-top: 15px;}
	.sidenav a {font-size: 18px;}
}


.HolyGrail,
.HolyGrail-body {
	display: flex;
	flex-direction: column;
}

.HolyGrail-nav {
	order: -1;
}

@media (min-width: 768px) {
	.HolyGrail-body {
		flex-direction: row;
		flex: 1;
	}
	.HolyGrail-content {
		flex: 1;
	}
	.HolyGrail-nav {
		
		flex: 0 0 21em;
	}