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

:root {
  --flag-height: 2;
  --flag-width: 3;
}

#serbia {
  position: relative;
  height: 180px;
  aspect-ratio: var(--flag-width) / var(--flag-height);
  background: linear-gradient(180deg, #ff0000 0.000% 33.333%, #0c4076 33.333% 66.667%, #ffffff 66.667% 100.000%);
  
}