.stylelintrc

{
  "rules": {
    "indentation": 2,
    "max-empty-lines": 1,
    "no-eol-whitespace": true,
    "no-missing-end-of-source-newline": true,
    "no-empty-first-line": true,
    "color-no-invalid-hex": true,
    "unit-no-unknown": true,
    "block-no-empty": true,
    "declaration-block-no-duplicate-properties": [
      true,
      {
        "ignore": [
          "consecutive-duplicates-with-different-values"
        ]
      }
    ],
    "declaration-block-no-shorthand-property-overrides": true,
    "selector-pseudo-class-no-unknown": true,
    "selector-pseudo-element-no-unknown": true,
    "selector-type-no-unknown": true,
    "comment-no-empty": true,
    "at-rule-no-unknown": [
      true,
      {
        "ignoreAtRules": [
          "include",
          "if",
          "error",
          "function",
          "else",
          "return",
          "mixin",
          "each",
          "for"
        ]
      }
    ],
    "media-feature-name-no-unknown": true,
    "no-duplicate-at-import-rules": true,
    "no-duplicate-selectors": true,
    "no-empty-source": true,
    "no-extra-semicolons": true,
    "unit-whitelist": [
      "px",
      "em",
      "deg",
      "rem",
      "vh",
      "vw",
      "%",
      "s",
      "ms"
    ],
    "shorthand-property-no-redundant-values": true,
    "value-no-vendor-prefix": true,
    "declaration-block-single-line-max-declarations": 2,
    "selector-max-universal": 1,
    "selector-no-vendor-prefix": true,
    "media-feature-name-no-vendor-prefix": true,
    "at-rule-no-vendor-prefix": true,
    "no-invalid-double-slash-comments": true,
    "function-comma-space-after": "always",
    "number-leading-zero": "never",
    "number-no-trailing-zeros": true,
    "string-quotes": "single",
    "unit-case": "lower",
    "value-keyword-case": "lower",
    "property-case": "lower",
    "declaration-colon-space-after": "always",
    "declaration-colon-space-before": "never",
    "declaration-block-semicolon-newline-after": "always-multi-line",
    "declaration-block-semicolon-space-before": "never",
    "declaration-block-semicolon-space-after": "always-single-line",
    "declaration-block-trailing-semicolon": "always",
    "declaration-block-semicolon-newline-before": "never-multi-line",
    "block-closing-brace-empty-line-before": "never",
    "block-closing-brace-newline-after": "always",
    "block-closing-brace-newline-before": "always-multi-line",
    "block-closing-brace-space-after": "always-single-line",
    "block-closing-brace-space-before": "always-single-line",
    "block-opening-brace-newline-after": "always-multi-line",
    "block-opening-brace-newline-before": "never-single-line",
    "block-opening-brace-space-after": "always-single-line",
    "block-opening-brace-space-before": "always-single-line",
    "selector-attribute-brackets-space-inside": "never",
    "selector-attribute-operator-space-after": "never",
    "selector-attribute-operator-space-before": "never",
    "selector-attribute-quotes": "always",
    "selector-combinator-space-after": "always",
    "selector-combinator-space-before": "always",
    "selector-descendant-combinator-no-non-space": true,
    "selector-pseudo-class-case": "lower",
    "selector-pseudo-class-parentheses-space-inside": "never",
    "selector-pseudo-element-case": "lower",
    "selector-pseudo-element-colon-notation": "single",
    "selector-type-case": "lower",
    "selector-list-comma-newline-before": "never-multi-line",
    "selector-list-comma-space-after": "always",
    "selector-list-comma-space-before": "never",
    "rule-empty-line-before": "always-multi-line",
    "media-feature-colon-space-after": "always",
    "media-feature-colon-space-before": "never",
    "media-feature-name-case": "lower",
    "media-feature-parentheses-space-inside": "never",
    "media-feature-range-operator-space-after": "never",
    "media-feature-range-operator-space-before": "never",
    "media-query-list-comma-newline-before": "never-multi-line",
    "media-query-list-comma-space-after": "always-single-line",
    "media-query-list-comma-space-before": "never",
    "at-rule-name-case": "lower",
    "at-rule-name-space-after": "always",
    "at-rule-semicolon-newline-after": "always",
    "at-rule-semicolon-space-before": "never",
    "comment-whitespace-inside": "always"
  }
}