.stylelintrc

{
    "rules": {
        "at-rule-empty-line-before": ["always", {
            "except": ["blockless-after-same-name-blockless", "first-nested"],
            "ignore": ["after-comment"]
        }],
        "at-rule-name-case": ["lower"],
        "at-rule-name-space-after": "always-single-line",
        "at-rule-semicolon-newline-after": ["always"],
        "block-closing-brace-newline-after": ["always"],
        "block-closing-brace-newline-before": ["always"],
        "block-no-empty": [true],
        "block-opening-brace-newline-after": ["always"],
        "block-opening-brace-space-before": ["always"],
        "color-hex-length": ["short"],
        "color-no-invalid-hex": [true],
        "comment-whitespace-inside": "always",
        "declaration-bang-space-before": ["always"],
        "declaration-block-no-duplicate-properties": [true],
        "declaration-block-no-shorthand-property-overrides": [true],
        "declaration-block-semicolon-space-before": ["never"],
        "declaration-block-single-line-max-declarations": [1],
        "declaration-block-trailing-semicolon": ["always"],
        "declaration-colon-space-after": ["always"],
        "declaration-colon-space-before": ["never"],
        "function-calc-no-unspaced-operator": [true],
        "function-comma-space-after": "always",
        "function-linear-gradient-no-nonstandard-direction": true,
        "function-max-empty-lines": 0,
        "function-name-case": ["lower"],
        "function-whitespace-after": ["always"],
        "keyframe-declaration-no-important": [true],
        "max-empty-lines": 1,
        "max-nesting-depth": [2],
        "media-feature-colon-space-after": "always",
        "media-feature-colon-space-before": "never",
        "media-feature-range-operator-space-after": "always",
        "media-feature-range-operator-space-before": "always",
        "media-query-list-comma-newline-after": "always-multi-line",
        "media-query-list-comma-space-after": "always-single-line",
        "media-query-list-comma-space-before": "never",
        "no-eol-whitespace": [true],
        "no-extra-semicolons": [true],
        "no-duplicate-selectors": true,
        "number-leading-zero": ["never"],
        "number-no-trailing-zeros": [true],
        "property-case": ["lower"],
        "selector-attribute-brackets-space-inside": "never",
        "selector-attribute-operator-space-after": "never",
        "selector-attribute-operator-space-before": "never",
        "selector-combinator-space-after": ["always"],
        "selector-combinator-space-before": ["always"],
        "selector-list-comma-newline-after": "always",
        "selector-list-comma-space-before": "never",
        "selector-max-empty-lines": 0,
        "selector-pseudo-class-no-unknown": true,
        "selector-pseudo-class-parentheses-space-inside": "never",
        "selector-pseudo-element-colon-notation": ["single"],
        "selector-pseudo-element-no-unknown": true,
        "selector-type-no-unknown": true,
        "shorthand-property-no-redundant-values": true,
        "string-no-newline": true,
        "unit-case": "lower",
        "unit-no-unknown": true
    }

}