body {
	margin: 0;
}
p {
	margin: 0 0 1em;
}
ul {
	margin: 0 0 1em;
}
input:hover {
	cursor: pointer;
}
.contents {
	max-width: 630px;
	margin: 0 auto;
	padding: 20px;
	background: #f2f2f2;
}
.title {
	font-weight: bold;
}
.copyright {
	text-align: center;
	padding-top: 2em;
	font-size: 14px;
}