html {
	margin: 0;
	padding: 0;
	height: 100%
}

body {
	margin: 0;
	padding: 0;
	min-height: 100%;
	position:relative;
	background-image: url(/star-catcher-astronaut-catching-stars-for-research-astronaut.jpg);
	background-size: cover;
	background-repeat: repeat-y;
	background-position: center
}

.menu-container {
	position: absolute;
	height:100%;
	float:left;
	width:100%;
}

.menu-container ul {
	display: block;
	text-decoration: none;
	list-style: none;
}

.menu-button {
	height:50px;
	width:50px;
	display: block;
	box-sizing: border-box;
	border:1px solid #ccc;
	border-radius: 10%
}

.menu-button span{
	display:block;
	width:40px;
	height:10px;
	margin:5px auto;
	background-color:#ccc;
	border-radius:10%
}