.media-card .header{position:relative;padding-top:42.25%;background-repeat:no-repeat;background-position:50%;background-size:cover;-webkit-box-shadow:inset 0 -65px 25px -20px rgba(0,0,0,.5);box-shadow:inset 0 -65px 25px -20px rgba(0,0,0,.5)}.media-card .header .share-overlay{position:absolute;top:0;left:0;display:-webkit-box;display:-ms-flexbox;display:flex;-webkit-box-orient:vertical;-webkit-box-direction:normal;-ms-flex-direction:column;flex-direction:column;-webkit-box-align:end;-ms-flex-align:end;align-items:flex-end;width:100%;height:100%;padding:.5rem;background-color:rgba(0,0,0,.4);opacity:0;-webkit-transition:opacity .3s ease;transition:opacity .3s ease}.media-card .header:hover .share-overlay{opacity:1}