@media only screen and (min-width: 1060px) {
	.wow_periods_box {
		column-count: 3;
		column-gap: 40px;
	}
}
@media only screen and (max-width: 1059px)  and (min-width: 770px) {
	.wow_periods_box {
		column-count: 2;
		column-gap: 50px;
	}
}
@media only screen and (max-width: 769px) {
	.wow_periods_box {
		column-count: 1;
	}
	
}