body {
	background-color: black;
	color: white;	
}

img {
	width: 50%;
}

.header {
	margin-top: 50px;
}

.center {
    width: 500px;
    margin-left: auto;
    margin-right: auto;
    text-align: center;	
}

.center ul {
	text-align: center;
	list-style-type: none;
	padding: 0;
	margin: 0;
}

.center ul li {
	margin-top: 25px;	
}

.center ul li a {
	font-size: 2rem;
	text-decoration: none;
}