.stylelintrc

{
    "extends": "stylelint-config-standard",
    "rules": {
        "block-closing-brace-space-before": "never",
        "block-opening-brace-space-after": "never",
        "block-opening-brace-space-before": "never",
        "color-hex-case": "lower",
        "color-named": "never",
        "comment-empty-line-before": "never",
        "declaration-block-semicolon-space-after": "never",
        "declaration-block-single-line-max-declarations": null,
        "declaration-block-trailing-semicolon": "always",
        "declaration-colon-space-after": "never",
        "declaration-colon-space-before": "never",
        "function-comma-space-after": "never",
        "function-url-quotes": "never",
        "media-feature-colon-space-after": "never",
        "media-feature-colon-space-before": "never",
        "media-feature-parentheses-space-inside": "never",
        "media-feature-range-operator-space-after": "never",
        "media-feature-range-operator-space-before": "never",
        "no-duplicate-selectors": true,
        "number-leading-zero": "never",
        "rule-empty-line-before": "never",
        "selector-attribute-operator-space-before": "never",
        "selector-attribute-quotes": "always",
        "selector-combinator-space-after": "never",
        "selector-list-comma-newline-after": "never-multi-line",
        "selector-pseudo-class-parentheses-space-inside": "never",
        "selector-pseudo-element-colon-notation": "single",
        "value-list-comma-space-after": "never"
    }
}