Verical align text in any element. Make parent element display: table, then make item display: table-cell and vertical-align: middle

vertical_align_text.css

#instructor .num {
	display: table;
	font-size: 20px;
	font-weight: bold;
	color: white;
	line-height: 24px;
	height: 240px;
	width: 240px;
	text-align: center;
	background: #dd5638;
}

#instructor .num .num-content{
	display: table-cell;
	vertical-align: middle;
}