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

:root {
  --flag-height: 2;
  --flag-width: 3;
  --oman-red: #C8102E;
  --oman-green: #007A3D;
  --oman-white: #FFFFFF;
}

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

#oman::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  width: 33%;
  background: var(--oman-white);
}