body {
	font-family : sans-serif;
}

.green {
	color: #17ae17;
}

#wrapper {
	margin:auto;
	margin-top: 15vh;
	width: 80vw;
}

#logo {
	font-size : 14vw;
	color: #555;
}

#description {
	font-size : 4vw;
	padding-left: 0.5vw;
	color: #8c8c8c;
}

a {
	display: block;
	width: 24vw;
	margin: 4vw auto auto auto;
	padding: 1.5vw;
	border-radius: 1vw;
	background: #17ae17;
	
	font-size : 3vw;
	color: #FFF;
	text-decoration: none;
}