div.social {
	margin-top: 30px;
}

div.social a {
	display:inline-block;
	vertical-align:bottom;
	width:31px;
	height:31px;
	margin:0;
	padding:0;
	outline:none;
    font-size: 150%;
}

div.social ul {
    display: table;
    margin: 0 auto;
}
div.social li {
    display: table-cell;
}