.img-container{
	display:block;
	position:relative;
}
.img-container::before{
	content:"";
	display:block;
	/*16x9*/
	padding-top:56.25%;
}
.img-container .img-item{
	position:absolute;
	width:100%;
	height:100%;
	top:0;
	right:0;
	bottom:0;
	left:0;
}
.img-container .img-item img{
	width:100%;
	height:100%;
	object-fit: cover;
}