message: less padding when screen shrinks
diff: margin: auto;
  background: var(--card-space-background);
  color: var(--card-space-text-color);
  - padding: var(--boxel-sp-xl);
  + padding: min(var(--boxel-sp-xl), 5vw);
  border-radius: 2rem;
  min-height: 90vh;
  max-width: 90%;
  