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

:root {
  --flag-height: 3;
  --flag-width: 4;
  --san-marino-white: #ffffff;
  --san-marino-blue: #5eb6e4;
}

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