.stylelintrc

{
    "extends": "stylelint-config-standard",
    "rules": {
        "indentation": 4,
        "no-descending-specificity": null,
        "shorthand-property-no-redundant-values": null,
        "font-family-name-quotes": "always-unless-keyword",
        "function-url-quotes": "always",
        "selector-attribute-quotes": "always",
        "string-quotes": "single",
        "at-rule-no-vendor-prefix": true,
        "media-feature-name-no-vendor-prefix": true,
        "property-no-vendor-prefix": true,
        "selector-no-vendor-prefix": true,
        "value-no-vendor-prefix": true,
        "at-rule-no-unknown": true,
        "declaration-no-important": true,
        "declaration-empty-line-before": null,
        "length-zero-no-unit": null,
        "selector-pseudo-class-no-unknown": [true, {
            "ignorePseudoClasses": ["global"]
        }],
        "function-url-scheme-whitelist": ['data']
    }
}