.img-thumbnail {
    width: 177px !important;
    max-width: 177px !important;
}
.img-selected { border: 3px solid #0d6efd !important; }
video.img-thumbnail {
    width: 363px !important;
    max-width: 363px !important;
}

.waveform {
    width: 300px;
    height: 64px;
    cursor: pointer;
    position: relative;
}