html, body {
  margin: 0;
  padding: 0;
  background: #9be7a3;
  font-family: system-ui, sans-serif;
  text-align: center;
}

#game {
  background: linear-gradient(#9be7a3, #5fb3ff);
  display: block;
  margin: 20px auto;
  border-radius: 16px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.25);
}

.hint {
  color: #134e4a;
  font-weight: 600;
}