article#base.u-mt-10
  h2.u-size-xl # Base
  p.u-mt-2
    | Base is a style rule to scaffold document body by setting up the font-family, font-size, color, etc.
  script.language-scss.u-mt-4(type='text/plain').
    body {
      color: $color-gray-800;
      font-family: $font-sans;
      font-size: $text-base;
      line-height: $leading-normal;
    }