main article ul {
	display: block;
	margin: 0;
	padding: 0;
	text-align: center;
}
main article li {
	border: 1px solid #dddddd;
	display: inline-block;
	margin: 5px;
	padding: 0;
}
main article h3 {
	text-align: center;
}
main article h4 {
	margin-top: 10px;
	margin-bottom: 30px;
	text-align: center;
}