#intro {
	width: 90%;
	margin-left: 5%;
	text-align: center;
	font-family: Arial, Helvetica, sans-serif;
	font-size: 18px;
	color: black;
}

#left-table {
	float: left;
	width: 30%;
	margin-left: 20%;
}

#right-table {
	float: left;
	width: 30%;
	margin-left: 20px;
}

table {
	border: 1px solid black;
	width: 100%;
}

tr:hover {
	background-color: #f0f0f5;
}

th {
	background-color: Gainsboro;
}

td {
	vertical-align: top;
}

a:link {
  text-decoration: none;
}

a:link, a:visited {
  color: black;
}

a:hover {
  color: blue;
}