body {
	color: rgb(128,0,128);
	font-family: Arial;
	margin-top: 2em;
	text-align: center;
}
p {
	margin-top: 10px;
}
footer {
	line-height: 1.8em;
	margin: 2em 1em 3em;
}
a {
	color: rgb(69,0,69);
	font-weight: bold;
	text-decoration: none;
}
main {
	margin: auto;
	max-width: 500px;
}
#d3js {
	margin: 1.5em 0;
}
#title {
	font-weight: bold;
	margin-bottom: 20px;
	margin-right: 10px;
	width: 180px;
}
#tooltip {
	background-color: rgb(255,226,255);
	border-radius: 20px;
	width: 175px;
	visibility: hidden;
}
#title, #tooltip {
	display: inline-block;
	font-size: 1.2em;
}