Working With Stylesheets: URL Processing

.example {
    background: url('../images/example.png');
}

.example {
  background: url(/images/example.png?d41d8cd98f00b204e9800998ecf8427e);
}

Mix.sass('resources/app/app.scss', 'public/css')
   .options({
      processCssUrls: false
   });

.example {
    background: url("../images/thing.png");
}