body {
	background-color: #dddddd;
}

.block {
	background-color: #ffffff;
	text-align: center;
	margin: 10px auto;
	border: solid black 1px;
	padding: 5px;
	width: 25%;
	font-size: 24px;
}

.block:hover {
    background-color: #f9e79f;
}