Generated by SassMeister.com.

SassMeister-input.scss

// ----
// Sass (v3.2.10)
// Compass (v0.13.alpha.4)
// ----

@mixin button($type: normal) { 
  border: 1px solid orange;
  background: orange;
  color: white;
  display: block;
  
    @if $type == anchor {
      padding: 10px 10px 0 10px;
    } @else {
      padding: 0;
    }
  
}

button.my_button {
  @include button;
}

a.my_button {
  @include button($type: anchor);  
}

SassMeister-output.css

button.my_button {
  border: 1px solid orange;
  background: orange;
  color: white;
  display: block;
  padding: 0;
}

a.my_button {
  border: 1px solid orange;
  background: orange;
  color: white;
  display: block;
  padding: 10px 10px 0 10px;
}