html,
body { height: 100%; }

body {
	-ms-flex-align: center;
	-ms-flex-pack: center;
	-webkit-box-align: center;
	-webkit-box-pack: center;
	align-items: center;
	background-color: #f5f5f5;
	display: -ms-flexbox;
	display: -webkit-box;
	display: flex;
	justify-content: center;
	padding-bottom: 40px;
	padding-top: 40px;
}