.col_3{
	width: 100%;
	max-width;100%;
	display: flex;
	flex-wrap: wrap;
}
.col_3 > div{
	width: 33.33333%;
	padding: 2px;
}
.col_3 > div > div{

	position: relative;
	overflow: hidden
}


.col_3 img{
	width:100%;
	height:auto;
}


@media screen and (max-width: 960px) {
	.col_3 > div{
		width: 50%;
	}
}
@media screen and (max-width: 480px) {
	.col_3 > div{
		width: 100%;
	}
}