.media-gallery, .video-player {
    max-height: 50vh;
}
.media-gallery__item-thumbnail img {
    object-fit: contain;
    -o-object-fit: contain;
}
pre {
  background-color: #f5f5f5 !important;
  color: #555555 !important;
}

code  {
  color: #555555 !important;
}