body
{
	background-color:#fff;
	margin:0;
}

main
{
	display:flex;
	align-items:center;
	justify-content:center;
}

ul
{
	list-style-type:none;
	padding:0;
}

ul a
{
	color:#0000ee;
	text-decoration:none;
}

footer
{
	width:100%;
	text-align:center;
	background-color:#ccc;
	position:absolute;
	bottom:0;
}