2 display-property-grouping,
3 duplicate-background-images,
11 overqualified-elements,
16 underscore-property-hack,
18 unqualified-attributes,
21 --ignore=adjoining-classes,
23 bulletproof-font-face,
24 compatible-vendor-prefixes,
36 selector-max-approaching,
39 --exclude-list=core/assets,