gistfile1.styl

.column
  float: left
  margin-left: 5%

  &:first-child
    margin-left: 0

  &.full
    width: 100%

  &.two-thirds
    width: 65%

  &.half
    width: 47.5%

  &.one-third
    width: 30%

  &.one-fourth
    width: 21.25%