.l_main
  position: relative
  padding-bottom: "calc(1 * %s)" % var(--gap-l)
  @media screen and (min-width: 1200px)
    margin-left: "calc(2 * %s)" % var(--gap-l)
    margin-right: "calc(0.75 * %s)" % var(--width-left)
  @media screen and (min-width: $device-tablet)
    padding-top: "calc(2 * %s)" % var(--gap-l)
  header
    margin: 2rem 1rem