.card{padding:2em}.read-the-docs{color:#888}.video-button{position:relative;border:none;padding:0;background:none;cursor:pointer}.video-overlay{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%)}.play-icon{font-size:4rem;color:#fff}.video-thumbnail{width:100%;height:200px;background-size:cover;background-position:center;transition:opacity .3s}.video-thumbnail:hover{opacity:.7}