.demo
  article
    text-align: left
    h1
      text-align: center

  #how
    +full(12)
    +pie-clearfix
    +adjust-font-size-to(12px)
    +h-borders(1px,1,12px)
    border-color: #ccc
    font-family: monospace
    nav
      background: #eee
      +trailer(1,12px)
      ul
        +inline-block-list(.4em)
        text-align: right
    section
      position: relative
      +columns(6,12)
      +slideshow
      &#styles
        +omega(12)
    .code
      li
        overflow-x: auto