.stylelintrc.json

{
  "plugins": ["stylelint-scss"],
  "rules": {
    "at-rule-blacklist": [],
    "at-rule-name-case": "lower",
    "at-rule-name-space-after": "always-single-line",
    "at-rule-no-vendor-prefix": true,
    "at-rule-semicolon-newline-after": "always",
    "at-rule-semicolon-space-before": "never",
    "block-closing-brace-newline-before": "always-multi-line",
    "block-no-empty": true,
    "color-hex-case": "lower",
    "color-hex-length": "long",
    "color-named": "never",
    "color-no-invalid-hex": true,
    "declaration-block-single-line-max-declarations": 1,
    "declaration-block-trailing-semicolon": "always",
    "declaration-no-important": true,
    "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-max-empty-lines": 2,
    "no-duplicate-selectors": true,
    "no-missing-end-of-source-newline": true,
    "number-leading-zero": "always",
    "number-no-trailing-zeros": true,
    "property-no-unknown": true,
    "property-no-vendor-prefix": true,
    "selector-attribute-quotes": "always",
    "selector-max-class": 5,
    "selector-max-combinators": 5,
    "selector-max-compound-selectors": 5,
    "selector-max-id": 2,
    "selector-max-pseudo-class": 3,
    "selector-max-specificity": "0,3,2",
    "selector-no-vendor-prefix": true,
    "selector-pseudo-class-case": "lower",
    "selector-pseudo-class-no-unknown": true,
    "selector-pseudo-class-parentheses-space-inside": "never",
    "selector-pseudo-element-case": "lower",
    "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,
    "string-quotes": "double",
    "unit-no-unknown": true,
    "value-no-vendor-prefix": true
  }
}