.sidenav {
	height: calc(100% - 100px);
	width: 0;
	position: fixed;
	z-index: 1;
	top: 0;
	left: 0;
	background-color: #111;
	overflow-x: hidden;
	transition: 0.5s;
	padding-top: 60px;
}

.sidenav a {
	padding: 8px 8px 8px 32px;
	text-decoration: none;
	font-size: 25px;
	color: #818181;
	display: block;
	transition: 0.3s;
}

.sidenav a:hover {
	color: #f1f1f1;
}

.sidenav .closebtn {
	position: absolute;
	top: 0;
	right: 25px;
	font-size: 36px;
	margin-left: 50px;
}

#main {
	transition: margin-left .5s;
	padding: 16px;
}

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