.stylelintrc.json

{
  "plugins": [
    "stylelint-scss"
  ],
  "rules": {
    "color-no-invalid-hex": true,
    "font-family-no-duplicate-names": true,
    "font-family-no-missing-generic-family-keyword": true,
    "function-calc-no-invalid": true,
    "function-calc-no-unspaced-operator": true,
    "string-no-newline": true,
    "unit-no-unknown": true,
    "property-no-unknown": true,
    "keyframe-declaration-no-important": true,
    "declaration-block-no-duplicate-properties": true,
    "declaration-block-no-shorthand-property-overrides": true,
    "selector-pseudo-class-no-unknown": true,
    "selector-pseudo-element-no-unknown": true,
    "selector-type-no-unknown": true,
    "media-feature-name-no-unknown": true,
    "at-rule-no-unknown": [true,{
        "ignoreAtRules": [
          "function",
          "if",
					"else",
          "each",
          "include",
          "mixin",
					"use"
        ]
      }
    ],
    "comment-no-empty": true,
    "no-duplicate-at-import-rules": true,
    "no-duplicate-selectors": true,
    "no-extra-semicolons": true,
    "alpha-value-notation": "number",
    "length-zero-no-unit": true,
    "font-weight-notation": "numeric",
    "shorthand-property-no-redundant-values": true,
    "value-no-vendor-prefix": true,
    "declaration-block-single-line-max-declarations": 1,
    "declaration-block-trailing-semicolon": "always",
    "block-closing-brace-newline-before": "always",
    "block-opening-brace-space-before": "always",
    "selector-attribute-brackets-space-inside": "always",
    "selector-attribute-quotes": "always",
    "selector-combinator-space-after": "always",
    "selector-combinator-space-before": "always",
    "selector-descendant-combinator-no-non-space": true,
    "selector-pseudo-class-case": "lower",
    "selector-pseudo-element-case": "lower",
    "selector-type-case": "lower",
    "selector-list-comma-newline-after": "always",
    "selector-list-comma-newline-before": "never-multi-line",
    "selector-list-comma-space-before": "never",
    "rule-empty-line-before": "always-multi-line",
    "media-feature-colon-space-after": "always",
    "media-feature-colon-space-before": "never",
    "media-feature-name-case": "lower",
    "media-feature-parentheses-space-inside": "always",
    "media-feature-range-operator-space-after": "always",
    "media-feature-range-operator-space-before": "always",
    "at-rule-name-case": "lower",
    "at-rule-name-space-after": "always",
    "comment-empty-line-before": "always",
    "comment-whitespace-inside": "always",
    "indentation": "tab",
    "max-empty-lines": 1,
    "no-empty-first-line": true
  }
}