.stylelintrc

{
  "plugins": ["stylelint-order", "stylelint-scss"],
  "customSyntax": "postcss-scss",
  "rules": {
    "at-rule-empty-line-before": "never",
    "block-no-empty": true,
    "color-hex-length": "long",
    "color-no-invalid-hex": true,
    "comment-empty-line-before": "always",
    "comment-no-empty": true,
    "comment-whitespace-inside": "always",
    "custom-property-empty-line-before": "never",
    "declaration-block-no-duplicate-properties": true,
    "declaration-block-no-redundant-longhand-properties": true,
    "declaration-block-no-shorthand-property-overrides": true,
    "declaration-block-single-line-max-declarations": 1,
    "declaration-empty-line-before": "never",
    "font-family-no-duplicate-names": true,
    "function-calc-no-unspaced-operator": true,
    "function-linear-gradient-no-nonstandard-direction": true,
    "function-name-case": "lower",
    "keyframe-declaration-no-important": true,
    "length-zero-no-unit": true,
    "media-feature-name-no-unknown": true,
    "no-empty-source": true,
    "no-invalid-double-slash-comments": true,
    "property-no-unknown": true,
    "rule-empty-line-before": "never",
    "selector-pseudo-class-no-unknown": true,
    "selector-pseudo-element-colon-notation": "single",
    "selector-pseudo-element-no-unknown": true,
    "selector-type-case": "lower",
    "selector-type-no-unknown": true,
    "shorthand-property-no-redundant-values": true,
    "string-no-newline": true,
    "unit-no-unknown": true
  }
}