.iframe-embed {
  $frame-width: 770px;

  width: spacing(0, $times: -2, $add: 100vw);
  overflow: auto;
  max-width: $frame-width;
  position: relative;
  min-height: 20rem;

  iframe {
    display: block;
    width: $frame-width;
    border: none;
    z-index: $z-index-just-above-static;
    position: relative;
  }

  &::before {
    content: "";
    border: $width-border solid color("border");
    position: absolute;
    z-index: 0;
    top: 0;
    bottom: 0;
    left: 0;
    right: 0;
  }
}