body {
  background-color: #111827;
  color: #e5e7eb;
  font-family: "Inter", "Helvetica Neue", Arial, sans-serif;
  line-height: 1.7;
  font-size: 1.05rem;
  margin: 0;
  padding: 2rem 1rem;
}

main {
  max-width: 1200px;    /* let it be much wider */
  margin: 0 auto;       /* center within body */
}