main {
	display: flex;
	flex-direction: column;
	justify-content: center;
	align-items: center;
	height: 100vh;
}
#logo-title {
	text-align: center;
	margin-bottom: 30px;
}
ul {
	display: flex;
	align-items: center;
	justify-content: center;
	margin: 0;
	padding: 0;
}
ul li {
	margin: 0 1em;
	list-style: none;
}
ul li a {
	display: block;
	background: #f5f5f5;
	border-radius: 100%;
	width: 10em;
	height: 4em;
	display: flex;
	align-items: center;
	justify-content: center;
}
ul li a:hover, ul li a:focus {
	background: #008bac;
	color: #fff;
	text-decoration: none;
}