#mySidebar {
	height: 100%;
	width: 160px;
	position: fixed;
	font-size: 0.75em;
}
#mySidebar a { text-decoration: none; }
#main { 
	top: 0;
	position: fixed;
	width: 100px;
	height: 40px;
	font-size: 16px;
}

@media screen and (min-width: 55em) {
	#mySidebar {
		width: 200px;
		font-size: 1em;
	}
	#main { font-size: 20px; }
}