#lesson-content > div {
  height: 600px;
}

#lesson-content .video-lesson {
  padding: 20px;
  background-color: #fff;
  height: 100%;
}

#lesson-content .list-lesson {
  background-color: #fff;
  width: 24% !important;
  overflow-y: scroll;
  cursor: pointer;
  height: 100%;
}

#lesson-content .list-lesson::-webkit-scrollbar {
  display: none;
}

#lesson-content .list-lesson:hover::-webkit-scrollbar {
  display: block;
}

#lesson-content .lesson:hover,
.active {
  background-color: #cfc9c981;
}

#lesson-content .duration-lesson {
  font-size: 13px;
}

@media (max-width: 768px) {
  #lesson-content .list-lesson {
    display: none;
  }
}