body {
  margin: 0;
  padding: clamp(1rem, 5vw, 4rem);
  font: 16px/1.5 system-ui, sans-serif;
}

header,
main {
  max-width: 60rem;
  margin: auto;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(14rem, 1fr));
  gap: 1rem;
}

article {
  padding: 1rem;
  border: 1px solid #aaa;
  border-radius: 0.75rem;
}