.playkit-player .playkit-top-bar {
 background: linear-gradient(0deg, rgba(0, 0, 0, 0.5) 0%, rgba(0, 0, 0, 1) 100%);
}

.playkit-player .playkit-bottom-bar {
 background: linear-gradient(180deg, rgba(0, 0, 0, 0.5) 0%, rgba(0, 0, 0, 1) 100%);
}