//************************************************************************//
// Example: @include prefixer(border-radius, $radii, webkit ms spec);
//************************************************************************//
@mixin prefixer ($property, $value, $prefixes) {

  @each $prefix in $prefixes {

    @if $prefix == webkit {
      -webkit-#{$property}: $value;
    }
    @else if $prefix == moz {
      -moz-#{$property}: $value;
    }
    @else if $prefix == ms {
      -ms-#{$property}: $value;
    }
    @else if $prefix == o {
      -o-#{$property}: $value;
    }
    @else if $prefix == spec {
      #{$property}: $value;
    }
    @else  {
      @warn "Unrecognized prefix: #{$prefix}";
    }
  }
}