gistfile1.sass

    @each $style in 'dark', 'light', 'login', 'utility', 'search', 'websearch', 'default' {
        @if $type == $style {
            @include button-style(
              $#{$style}ButtonBorder,
              $#{$style}ButtonBackground,
              $#{$style}ButtonText,
              $#{$style}ButtonTextShadow,
              $#{$style}ButtonGradient1,
              $#{$style}ButtonGradient2
            );
        }
    }