* {
  box-sizing: border-box;
}

body {
  font-size: 1.1em;
  margin: 0 auto;
  max-width: 80em;
}

main {
  display: flex;
  flex-direction: column;
}

section.inset {
  width: 70%;
  max-width: 60em;
  background-color: var(--inset-bg-color);
  border-radius: var(--border-radius);
  padding: 1em;
  margin: 0 auto;
}

h1, h2 {
  text-align: center;
}