.sidebar {
  display: flex;
  flex-direction: column;
  position: absolute;
  background-color: #fff;
  z-index: 999;
  overflow: hidden;
}

.sidebar .list-group {
  width: 350px;
  height: 300px;
}

.player-body {
  background: #424242;
  color: #fff;
}

.player-body #videoOffline {
  height: 400px;
}