body.biology {
  --accent: #16846d;
  --soft: #e9f7f2;
  --gold: #d5a13c;
  --silver: #8fa3aa;
  --bronze: #bd7c5d;
}
body.biology .mark {
  background: linear-gradient(145deg,#19a884,#136d73);
  box-shadow: 0 8px 22px rgb(22 132 109 / 22%);
}
body.biology .hero {
  background: radial-gradient(circle at 92% 30%,rgb(22 132 109 / 9%),transparent 24%);
}
body.biology.dark {
  --accent: #56d6b3;
  --soft: #1d3a38;
}