.video-player {
    max-height: 400px;
    display: block;
    background: #000;
}

.video-speed-preview-wrapper {
    background: #000;
}

.speed-controls .btn-group {
    flex-wrap: wrap;
}

.speed-controls .btn-group .btn {
    flex: 0 0 auto;
    min-width: 60px;
}