gistfile1.sass

=info-box($color)
  background-color: $color
  border-color: darken(desaturate($color, 70), 10)

section
  &.info
    font-size: 12px
    font-weight: bold
    padding: 1px 15px
    border-width: 1px
    border-style: solid
    +info-box(#fffecf)
  &.error
    @extend .info
    +info-box(#ffcfcf)
  &.success
    @extend .info
    +info-box(#cfffd5)