section {
  padding: 30px max(calc((100% - 1000px) / 2), 30px);
  transition: background var(--transition), color var(--transition); }

section[data-size="wide"] {
  padding: 30px; }

section[data-size="full"] {
  padding: 0; }

section[data-size="full"] > * {
  margin: 0;
  border-radius: 0; }

section[data-size="full"] img {
  border-radius: 0; }

main > section:last-of-type {
  flex-grow: 1; }

main > section:nth-of-type(odd) {
  background: var(--background); }

main > section:nth-of-type(even) {
  background: var(--background-alt); }