a:link, a:visited, a:hover, a:active{
  background-color: white;
  color: black;
  text-decoration: none;
  display: inline-block;
}

.big {
	display: flex;
	flex-direction: column;
	justify-content: center;
	align-items: center;
	text-align: center;
	min-height: 90vh;
	font-size: 500%;
}

.medium {
	display: flex;
	flex-direction: column;
	justify-content: center;
	align-items: center;
	text-align: center;
	min-height: 90vh;
	font-size: 250%;
}