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

:root {
  --flag-height: 2;
  --flag-width: 3;
  --indonesia-red: #c8102e;
  --indonesia-white: #ffffff;
}

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