.container{cursor: pointer;position: relative;overflow: hidden;}
.container:hover > .instagram-caption { display: flex !important; }
.container > img { height:100% !important; width:100% !important; }
.container:before{
    content: "";
    display: block;
    padding-top: 100%;
}
.container > img, .container > video {
    height: 100% !important;
    width: 100% !important;
    position: absolute;
    top: 0;
    bottom: 0;
    left: 0;
    right: 0;
    object-fit: cover;
    display: block;
}