.center {
	height: 100%;
	display: -webkit-flexbox;
	display: -ms-flexbox;
	display: -webkit-flex;
	display: flex;
	-webkit-flex-align: center;
	-ms-flex-align: center;
	-webkit-align-items: center;
	align-items: center;
	justify-content: center;
}
.left-center {
	display: -webkit-flexbox;
	display: -ms-flexbox;
	display: -webkit-flex;
	display: flex;
	-webkit-flex-align: center;
	-ms-flex-align: center;
	-webkit-align-items: center;
	align-items: center;
	justify-content: left;
}
.right-center {
	display: -webkit-flexbox;
	display: -ms-flexbox;
	display: -webkit-flex;
	display: flex;
	-webkit-flex-align: center;
	-ms-flex-align: center;
	-webkit-align-items: center;
	align-items: center;
	justify-content: right;
}