.youtube-video{position:relative;cursor:pointer;overflow:hidden;border:1px solid #ccc;box-shadow:0 2px 6px rgba(0,0,0,.1);margin-bottom:15px}.youtube-video img{width:100%;display:block;aspect-ratio:16/9;object-fit:cover;transition:transform .3s ease}.youtube-video:hover img{transform:scale(1.05)}