.video-slider {
  display: flex;
  flex-direction: column;
  align-items: center;
}

#thumbnailVideos {
  display: flex;
  justify-content: center;
  flex-wrap: nowrap;
}

#thumbnailVideos video {
  margin: 0 5px;
  margin-bottom: 10px;
}

.video-slider video {
  width: 80%;
  margin-bottom: 10px;
}