CSSLint

csslintrc

{
    "box-model": false,
    "adjoining-classes": false,
    "box-sizing": false,
    "compatible-vendor-prefixes": false,
    "gradients": false,
    "text-indent": false,
    "fallback-colors": false,
    "star-property-hack": false,
    "underscore-property-hack": false,
    "bulletproof-font-face": false,
    "font-faces": false,
    "import": false,
    "regex-selectors": false,
    "universal-selector": false,
    "unqualified-attributes": false,
    "overqualified-elements": false,
    "duplicate-background-images": false,
    "floats": false,
    "font-sizes": false,
    "ids": false,
    "important": false,
    "outline-none": false,
    "qualified-headings": false,
    "unique-headings": false
}