/* Tighter page gutters (homepage defaults are 32–36px each side). */
@media (min-width: 640px) {
  #information-widgets { margin: 16px 20px 0; }
  #tabs { margin: 12px 20px 0; }
  #layout-groups { margin: 8px 16px 16px; } /* +4px group padding = 20px, lines up with the header */
}
#footer { padding: 12px 20px; margin-top: auto; }