.stylelintrc

{
    "extends": ["stylelint-config-standard"],
    "ignoreFiles": ["**/*.md", "**/*.js", "**/*.js.snap", "**/*.css"],
    "plugins": [
        "stylelint-declaration-block-no-ignored-properties"
    ],
    "rules": {
        "at-rule-empty-line-before": null,
        "at-rule-name-space-after": "always",
        "at-rule-no-unknown": null,
        "color-hex-case": ["lower", {
            "message": "Lowercase letters are easier to distinguish from numbers"
        }],
        "color-named": "never",
        "declaration-block-semicolon-newline-after": "always-multi-line",
        "declaration-block-semicolon-newline-before": "never-multi-line",
        "declaration-block-semicolon-space-after": "always-single-line",
        "declaration-no-important": true,
        "color-hex-length": "long",
        "function-calc-no-invalid": null,
        "font-family-no-missing-generic-family-keyword": null,
        "font-family-name-quotes": "always-where-recommended",
        "indentation": 4,
        "length-zero-no-unit": true,
        "max-empty-lines": [2, { "ignore": ["comments"] }],
        "max-line-length": null,
        "media-feature-name-no-vendor-prefix": true,
        "media-feature-parentheses-space-inside": "never",
        "media-feature-range-operator-space-after": "always",
        "media-feature-range-operator-space-before": "never",
        "no-descending-specificity": null,
        "no-duplicate-selectors": true,
        "number-max-precision": 4,
        "plugin/declaration-block-no-ignored-properties": true,
        "property-no-unknown": [true, {
            "ignoreProperties": [
                "xs",
                "sm",
                "md",
                "lg",
                "xl",
                "xxl",
                "default",
                "green",
                "purple",
                "blue",
                "yellow",
                "red",
                "black",
                "white",
                "brand",
                "success",
                "neutral",
                "warning",
                "danger",
                "0",
                "1",
                "2",
                "3",
                "4",
                "5",
                "25",
                "50",
                "75",
                "100",
                "auto"
            ]
        }],
        "selector-attribute-quotes": "always",
        "selector-list-comma-newline-after": "always",
        "selector-list-comma-newline-before": "never-multi-line",
        "selector-list-comma-space-after": "always-single-line",
        "selector-list-comma-space-before": "never-single-line",
        "selector-pseudo-element-colon-notation": "single",
        "string-quotes": "double",
        "unit-whitelist": ["%", "px", "rem", "vh", "vw", "s", "deg", "ch"],
        "value-keyword-case": "lower",
        "value-list-comma-newline-after": "never-multi-line",
        "value-list-comma-newline-before": "never-multi-line",
        "value-list-comma-space-after": "always"
    }
}