Generated by SassMeister.com.

SassMeister-input.scss

// ----
// Sass (v3.3.7)
// Compass (v1.0.0.alpha.18)
// ----

// _mixins.scss
@mixin module($color, $duration: 0s, $border: null) {
  background: $color;
  transition: $duration;
  border: $border;
}

// _module.scss
$configuration: (
  duration: .15s,
  color: hotpink
);

.module {
  @include module($configuration...);
}

SassMeister-output.css

.module {
  background: hotpink;
  transition: 0.15s;
}