#left-menu, #right-menu {
	text-align: center;
	width: 200px;
}

#left-menu {
  position: absolute;
	top: 0px;
	left: 0px;
}

#right-menu {
	position: absolute;
	top: 0px;
	right: 0px;
}

#center-contents {
	margin: 0px 210px;
	min-height: 600px;
}

#generation-time {
	text-align: center; 
	padding: 20px;
}