sample.scss

.css {
    background: url("/images/base/buttons/right-select.png") right 0 no-repeat, linear-gradient(top, #A8E7FE, #53CBF5)
}

.compass {
  @include background-image(url("/images/base/buttons/right-select.png"), linear-gradient(#A8E7FE, #53CBF5));
  background-position: right 0, left top;
  background-repeat: no-repeat;
}

.compass-compressed {
  @include background(url("/images/base/buttons/right-select.png") right 0 no-repeat, linear-gradient(#A8E7FE, #53CBF5));
}