/* reference: https://en.wikipedia.org/wiki/Flag_of_Namibia */

:root {
  --flag-height: 2;
  --flag-width: 3;
  --namibia-blue: #003580;
  --namibia-red: #d21034;
  --namibia-green: #009543;
  --namibia-white: #ffffff;
}

#namibia {
  position: relative;
  height: 180px;
  aspect-ratio: var(--flag-width) / var(--flag-height);
  background: linear-gradient(135deg,
    var(--namibia-blue) 0%,
    var(--namibia-blue) 50%,
    var(--namibia-green) 50%,
    var(--namibia-green) 100%
  );
}

#namibia::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg,
    transparent 0%,
    transparent 40%,
    var(--namibia-white) 40%,
    var(--namibia-white) 45%,
    var(--namibia-red) 45%,
    var(--namibia-red) 55%,
    var(--namibia-white) 55%,
    var(--namibia-white) 60%,
    transparent 60%,
    transparent 100%
  );
}