Remove New Lines Using YUI AEM Minification

Hi, 

I am trying to minify my css using the Adobe Granite HTML Library Manager to remove new line (Or possibly called line breaks). I have tried a few configurations for the css processor:

min:yui

min:yui;line-break=-1

min:yui;lineBreak=-1

None of them have worked. I am wondering if there is a configuration option for the css processor to remove the new lines in AEM. I have also tried using gcc, but after a bit of research I am not sure it has the ability to remove new lines for css.