body {	
  background-color:#3AF5E6
}
ul {
	list-style-type:none;
	margin:0;
	padding:0;
	display:flex;
	flex-direction: column;
}
li { flex-grow: 1; }
a {
	display:block;
	padding:1em;
	background-color:	black ;
	text-align:center;
	margin-bottom:0.2em;
	text-decoration:none;
	color: red;
}
a:hover {background-color:#870313}