My mixins

sass_mixins.sass

@mixin arrow_bottom_001($color: black, $width: 4px)
  position: relative
  &:after
    content: ""
    height: 0
    width: 0
    border-style: solid
    border-width: $width
    border-color: $color transparent transparent transparent
    position: absolute
    right: 0
    top: 0