--errors=important,known-properties,box-model,overqualified-elements,display-property-grouping,bulletproof-font-face,compatible-vendor-prefixes,regex-selectors,errors,duplicate-background-images,duplicate-properties,empty-rules,selector-max-approaching,gradients,fallback-colors,font-sizes,font-faces,floats,outline-none,ids,rules-count,qualified-headings,selector-max,shorthand,text-indent,unique-headings,universal-selector,unqualified-attributes,vendor-prefix
--ignore=import,box-sizing,star-property-hack,underscore-property-hack,zero-units,adjoining-classes