#content {
  p img,
  li img,
  video {
    max-height: 40vh;
    max-width: 100%;
    box-shadow: 3px 3px 8px #111, 0 2px 6px #ffffff0f;
    border-radius: 8px;
    margin-top: 12px;
    margin-bottom: 12px;
  }

  img.centered,
  video.centered{
    display: block;
    margin-left: auto;
    margin-right: auto;
  }

  audio {
    width: calc(100% - 32px);
  }

  object{
    padding: 2px 10px;
    width: calc(100% - 20px);
  }
}