.flex {
	display: -webkit-box;
	display: -moz-box;
	display: -ms-flexbox;
	display: -webkit-flex;
	display: flex;
	
	-webkit-flex-wrap: wrap;
	-ms-flex-wrap: wrap;
	flex-wrap: wrap;

	-webkit-justify-content:space-around;
	-ms-flex-pack:distribute;
	justify-content:space-around;

	-webkit-align-content: center;
	-ms-flex-line-pack: center;
	align-content: center;
}
.section {
	width: 20%;
	text-align: center;
}
@media (max-width: 640px) {
	.section {
		width: 45%;
	}
}