.stylelintrc

{
    "rules": {
        "at-rule-empty-line-before": [
            "always",
            {
                "except": [
                    "blockless-after-same-name-blockless",
                    "first-nested"
                ]
            }
        ],
        "at-rule-name-case": "lower",
        "at-rule-name-newline-after": "always-multi-line",
        "at-rule-name-space-after": "always-single-line",
        "at-rule-semicolon-space-before": "never",
        "block-no-empty": true,
        "color-no-invalid-hex": true,
        "comment-empty-line-before": [
            "always",
            {
                "ignore": [
                    "after-comment"
                ]
            }
        ],
        "comment-no-empty": true,
        "comment-whitespace-inside": "always",
        "declaration-block-no-duplicate-properties": true,
        "declaration-block-no-redundant-longhand-properties": true,
        "declaration-colon-space-after": "always",
        "font-family-no-duplicate-names": true,
        "font-weight-notation": "numeric",
        "indentation": [
            2,
            {
                "ignore": [
                    "value"
                ]
            }
        ],
        "length-zero-no-unit": true,
        "max-empty-lines": 2,
        "max-line-length": 100,
        "max-nesting-depth": 3,
        "no-duplicate-selectors": true,
        "no-eol-whitespace": true,
        "no-extra-semicolons": true,
        "no-invalid-double-slash-comments": true,
        "no-missing-end-of-source-newline": true,
        "property-case": "lower",
        "property-no-unknown": true,
        "rule-empty-line-before": [
            "always",
            {
                "except": [
                    "first-nested"
                ],
                "ignore": [
                    "after-comment"
                ]
            }
        ],
        "selector-list-comma-newline-after": "always",
        "selector-pseudo-class-no-unknown": true,
        "shorthand-property-no-redundant-values": true,
        "string-no-newline": true,
        "string-quotes": "double",
        "unit-case": "lower",
        "unit-no-unknown": true,
        "unit-whitelist": [
            "deg",
            "em",
            "rem",
            "%",
            "ms",
            "s",
            "px",
            "vh",
            "vw"
        ],
        "value-keyword-case": "lower"
    }
}