body
  background: lightgrey

#main-nav
  position: fixed
  top: 0
  left: 0
  width: 100%
  height: 60px
  background: #212121
  clear: float

  .nav-left
    float: left
  .nav-right
    float: right

  .nav-menu
    ul
      list-style: none

    li
      display: inline-block