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.ribbon-vertical
  w = 46px
  size = 3px
  position absolute
  width (w + size)px
  height h = 29px
  top t = -(size)px
  left 10px
  overflow hidden
  &::before
    position absolute
    content ""
    width 0
    height 0
    top t
    left (w - size)px
    border-width 3px
    border-style solid
    border-color transparent transparent #333
    z-index 1
  &::after
    position absolute
    display block
    text-align center
    content "New"
    color #FFF
    background #ccc
    width w
    height h
    line-height h
    z-index 10
    top 0
    left 0