.citation-card{height:250px}.citation-card .card-image{background-size:cover;background-position:center;transition:transform .3s ease}.citation-card .card-overlay{background:rgba(0,0,0,0);color:#fff;opacity:0;text-decoration:none;transition:background .3s ease,opacity .3s ease}.citation-card:hover .card-overlay{background:rgba(0,0,0,.5);opacity:1}.citation-card:hover .card-image{transform:scale(1.05)}