.stylelintrc

{
  "rules": {
    "indentation": 2,
    "selector-list-comma-newline-after": "always",
    "selector-list-comma-space-after": "always-single-line",
    "block-opening-brace-newline-after": "always",
    "block-opening-brace-space-before": "always",
    "block-opening-brace-space-after": "always-single-line",
    "block-closing-brace-empty-line-before": "never",
    "block-closing-brace-newline-before": "always",
    "block-closing-brace-newline-after": "always",
    "declaration-colon-space-after": "always",
    "declaration-colon-space-before": "never",
    "declaration-block-semicolon-newline-after": "always",
    "declaration-block-trailing-semicolon": "always",
    "function-comma-space-after": "always",
    "function-comma-space-before": "never",
    "value-list-comma-space-after": "always",
    "value-list-comma-space-before": "never",
    "number-no-trailing-zeros": true,
    "number-leading-zero": "never",
    "color-hex-case": "lower",
    "color-hex-length": "short",
    "selector-attribute-quotes": "always",
    "length-zero-no-unit": true,
    "declaration-block-no-redundant-longhand-properties": true,
    "declaration-block-no-shorthand-property-overrides": true,
    "shorthand-property-no-redundant-values": true,
    "selector-attribute-operator-space-after": "never",
    "selector-attribute-operator-space-before": "never",
    "property-case": "lower",
    "comment-no-empty": true,
    "selector-combinator-space-after": "always",
    "selector-combinator-space-before": "always",
    "selector-descendant-combinator-no-non-space": true,
    "rule-empty-line-before": [
      "always",
      {
        "except": [
          "after-single-line-comment",
          "first-nested"
        ]
      }
    ],
    "max-empty-lines": 1,
    "max-line-length": 120,
    "no-duplicate-selectors": true,
    "no-eol-whitespace": true,
    "no-invalid-double-slash-comments": true,
    "no-missing-end-of-source-newline": true,
    "color-no-invalid-hex": true,
    "font-family-name-quotes": "always-where-recommended",
    "font-family-no-duplicate-names": true,
    "font-weight-notation": "named-where-possible",
    "function-calc-no-unspaced-operator": true,
    "function-name-case": "lower",
    "unit-case": "lower",
    "value-keyword-case": "lower",
    "comment-whitespace-inside": "always",
    "declaration-bang-space-after": "never",
    "declaration-bang-space-before": "always",
    "declaration-block-no-duplicate-properties": [
      true,
      {
        "ignore": "consecutive-duplicates-with-different-values"
      }
    ],
    "selector-pseudo-class-case": "lower",
    "selector-pseudo-element-case": "lower",
    "selector-type-case": "lower",
    "media-feature-colon-space-after": "always",
    "media-feature-colon-space-before": "never",
    "media-feature-parentheses-space-inside": "never",
    "media-feature-range-operator-space-after": "always",
    "media-feature-range-operator-space-before": "always",
    "media-feature-name-case": "lower",
    "media-query-list-comma-newline-after": "always",
    "media-query-list-comma-newline-before": "always-multi-line",
    "at-rule-name-case": "lower",
    "at-rule-name-space-after": "always",
    "at-rule-empty-line-before": [
      "always",
      {
        "except": [
          "first-nested",
          "after-same-name"
        ],
        "ignore": [
          "after-comment"
        ]
      }
    ],
    "string-quotes": "single"
  }
}