.attachment_preview_container {
  background-color: $medium-gray;
  margin-top: 12px;

  audio, video {
    display: block;
  }

  &.image-preview {
    height: 300px;
    text-align: center;
    padding: 2*$default-padding;
    white-space: nowrap;

    &:before {
      content: '';
      display: inline-block;
      height: 100%;
      vertical-align: middle;
      margin-right: -0.25em;
    }

    img.full_width {
      display: inline-block;
      width: auto;
      height: auto;
      max-width: 100%;
      max-height: 100%;
      vertical-align: middle;
    }
  }
}

.full-iframe {
  width: 100%;
  background-color: white;
  min-height: 335px;
  margin-top: 12px;
}