.stylelintrc.json

{
  "plugins": ["stylelint-scss"],
  "rules": {
    "at-rule-name-case": "lower",
    "block-no-empty": true,
    "color-hex-case": "lower",
    "color-no-invalid-hex": true,
    "comment-no-empty": true,
    "declaration-block-no-duplicate-properties": true,
    "font-family-no-duplicate-names": true,
    "font-family-no-missing-generic-family-keyword": true,
    "function-name-case": "lower",
    "indentation": 2,
    "keyframe-declaration-no-important": true,
    "length-zero-no-unit": true,
    "max-empty-lines": 1,
    "max-nesting-depth": 3,
    "media-feature-name-case": "lower",
    "media-feature-name-no-unknown": true,
    "no-duplicate-at-import-rules": true,
    "no-duplicate-selectors": true,
    "no-empty-source": true,
    "no-eol-whitespace": true,
    "no-extra-semicolons": true,
    "no-invalid-double-slash-comments": true,
    "no-missing-end-of-source-newline": true,
    "no-unknown-animations": true,
    "number-leading-zero": "always",
    "number-max-precision": 4,
    "number-no-trailing-zeros": true,
    "property-case": "lower",
    "property-no-unknown": true,
    "selector-attribute-quotes": "always",
    "selector-max-empty-lines": 0,
    "selector-pseudo-class-case": "lower",
    "selector-pseudo-class-no-unknown": true,
    "selector-pseudo-element-case": "lower",
    "selector-pseudo-element-no-unknown": true,
    "selector-type-case": "lower",
    "selector-type-no-unknown": true,
    "string-no-newline": true,
    "string-quotes": "double",
    "time-min-milliseconds": 100,
    "unit-case": "lower",
    "unit-no-unknown": true,
    "value-keyword-case": "lower",
    "value-list-max-empty-lines": 0,
    "scss/no-duplicate-mixins": true
  }
}