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

:root {
  --flag-height: 28;
  --flag-width: 37;
  --denmark-red: #c60c30;
  --denmark-white: #ffffff;
}

#denmark {
  position: relative;
  height: 180px;
  aspect-ratio: var(--flag-width) / var(--flag-height);
  background: var(--denmark-red);
}

#denmark::before,
#denmark::after {
  content: "";
  position: absolute;
  background: var(--denmark-white);
}

#denmark::before {
  width: 15%;
  height: 100%;
  left: 30%;
}

#denmark::after {
  width: 100%;
  height: 15%;
  top: 40%;
}