.center {
	display: block;
	margin-left: auto;
	margin-right: auto;
}

.content {
	margin-top: 5vh;
}

.button {
	border-radius: .8em;
	background-color: #efefef;
	padding: .3em;
}

.button:hover {
	filter: brightness(85%);
}

body {
    font: normal 12px Verdana, Arial, sans-serif;
	background-color: gainsboro;
}

p {
	font: normal 16px Verdana, Arial, sans-serif;
	text-align: center;
	color: black;
}

table {
	font: normal 16px Verdana, Arial, sans-serif;
    border-collapse: collapse;
	width: 100%;
}

th, td {
	text-align: center;
	color: white;
}

th {
	background-color: dimgray;
}

td {
	background-color: gray;
}

form {
	text-align: center;
}

footer {
	position: absolute;
	right: 0;
	bottom: 0;
	left: 0;
	padding: .5rem;
	background-color: #efefef;
	text-align: center;
}

#nav, a:link, a:visited {
	font: bold 16px Verdana, Arial, sans-serif;
	color: black;
	text-decoration: none;
	margin-top: 2vh;
	text-align: center;
}