.stylelintrc

{
  "rules": {
    "at-rule-empty-line-before": [
      "always",
      {
        "except": ["blockless-after-same-name-blockless", "first-nested"],
        "ignore": ["after-comment"]
      }
    ],
    "at-rule-no-unknown": true,
    "block-no-empty": true,
    "color-no-invalid-hex": true,
    "comment-empty-line-before": [
      "always",
      {
        "except": ["first-nested"],
        "ignore": ["stylelint-commands"]
      }
    ],
    "comment-no-empty": true,
    "comment-whitespace-inside": "always",
    "custom-property-empty-line-before": [
      "always",
      {
        "except": ["after-custom-property", "first-nested"],
        "ignore": ["after-comment", "inside-single-line-block"]
      }
    ],
    "declaration-block-no-duplicate-properties": true,
    "declaration-block-no-shorthand-property-overrides": true,
    "declaration-empty-line-before": [
      "always",
      {
        "except": ["after-declaration", "first-nested"],
        "ignore": ["after-comment", "inside-single-line-block"]
      }
    ],
    "font-family-no-duplicate-names": true,
    "font-family-no-missing-generic-family-keyword": true,
    "function-calc-no-unspaced-operator": true,
    "function-linear-gradient-no-nonstandard-direction": true,
    "function-name-case": "lower",
    "function-url-quotes": "always",
    "keyframe-declaration-no-important": true,
    "length-zero-no-unit": [
      true,
      {
        "ignore": ["custom-properties"]
      }
    ],
    "media-feature-name-no-unknown": true,
    "no-descending-specificity": true,
    "no-duplicate-at-import-rules": true,
    "no-duplicate-selectors": true,
    "no-empty-source": true,
    "no-invalid-double-slash-comments": true,
    "property-no-unknown": true,
    "rule-empty-line-before": [
      "always-multi-line",
      {
        "except": ["first-nested"],
        "ignore": ["after-comment"]
      }
    ],
    "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-max-empty-lines": 0,
    "selector-pseudo-class-no-unknown": true,
    "selector-pseudo-element-colon-notation": "double",
    "selector-pseudo-element-no-unknown": true,
    "selector-type-no-unknown": true,
    "string-no-newline": true,
    "unit-no-unknown": true
  }
}