.has-fullscreen-gwd-video {
  width: 100% !important;
  height: 100% !important;
}

/**
 * .gwd-lightbox comes from various gwd templates. It's unsightly to have the
 * lightbox's dashed border when viewing an element at full screen from a
 * previewed document, so this just removes the border.
 */
.gwd-lightbox.has-fullscreen-gwd-video {
  border: none;
}