.scss {
@include background(linear-gradient(#ffffff, #F6F6F6));
}
// becomes
.css {
background: -webkit-linear-gradient(#ffffff, #f6f6f6);
background: -moz-linear-gradient(#ffffff, #f6f6f6);
background: -o-linear-gradient(#ffffff, #f6f6f6);
background: linear-gradient(#ffffff, #f6f6f6);
}