*, *::before, *::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: system-ui, sans-serif;
  line-height: 1.6;
  color: #111;
}

main {
  max-width: 800px;
  margin: 0 auto;
  padding: 2rem 1rem;
}