/* Each card is one equal group; the equation matches the picture. */
.game[data-scene="groups"] .stage .beach-equation {
  margin: .35rem 0 .85rem;
  color: #68451e;
  font-size: clamp(1.35rem, 4vw, 1.9rem);
  line-height: 1.2;
  text-align: center;
}