.stylelintrc

{
  "extends": ["stylelint-config-recommended", "stylelint-config-idiomatic-order", "stylelint-config-standard-scss"],
  "plugins": [
    "stylelint-scss"
  ],
  "rules": {
    "alpha-value-notation": "number",
    "at-rule-empty-line-before": [ "always", {
      "except": [
        "after-same-name",
        "blockless-after-same-name-blockless",
        "first-nested"
      ],
      "ignore": [
        "after-comment",
        "blockless-after-blockless"
      ]
    } ],
    "at-rule-no-unknown": null,
    "color-function-notation": "modern",
    "color-named": "never",
    "declaration-block-no-duplicate-custom-properties": true,
    "declaration-block-no-duplicate-properties": true,
    "declaration-block-no-redundant-longhand-properties": true,
    "declaration-no-important": true,
    "font-family-name-quotes": "always-where-recommended",
    "font-weight-notation": "numeric",
    "function-url-no-scheme-relative": true,
    "function-url-quotes": "always",
    "hue-degree-notation": "angle",
    "max-nesting-depth": 2,
    "named-grid-areas-no-invalid": true,
    "no-empty-source": null,
    "no-unknown-animations": true,
    "no-invalid-position-at-import-rule": null,
    "scss/at-else-closing-brace-newline-after": "always-last-in-chain",
    "scss/at-else-closing-brace-space-after": "always-intermediate",
    "scss/at-else-empty-line-before": "never",
    "scss/at-else-if-parentheses-space-before": "always",
    "scss/at-function-parentheses-space-before": "never",
    "scss/at-if-closing-brace-newline-after": "always-last-in-chain",
    "scss/at-if-closing-brace-space-after": "always-intermediate",
    "scss/at-if-no-null": true,
    "scss/at-import-partial-extension": null,
    "scss/at-mixin-parentheses-space-before": "never",
    "scss/at-rule-conditional-no-parentheses": true,
    "scss/at-rule-no-unknown": true,
    "scss/comment-no-empty": true,
    "scss/declaration-nested-properties-no-divided-groups": true,
    "scss/dollar-variable-colon-newline-after": "always-multi-line",
    "scss/dollar-variable-colon-space-after": "always-single-line",
    "scss/dollar-variable-colon-space-before": "never",
    "scss/dollar-variable-empty-line-before": [
      "always",
      {
        "except": [
          "first-nested",
          "after-dollar-variable"
        ],
        "ignore": [
          "after-comment",
          "inside-single-line-block"
        ]
      }
    ],
    "scss/dollar-variable-first-in-block": [
      true,
      {
        "ignore": [
          "comments",
          "imports"
        ]
      }
    ],
    "scss/dollar-variable-no-missing-interpolation": true,
    "scss/double-slash-comment-whitespace-inside": "always",
    "scss/map-keys-quotes": "always",
    "scss/no-duplicate-dollar-variables": true,
    "scss/no-duplicate-mixins": true,
    "scss/no-global-function-names": true,
    "scss/operator-no-newline-after": true,
    "scss/operator-no-newline-before": true,
    "scss/operator-no-unspaced": true,
    "scss/selector-nest-combinators": "always",
    "scss/selector-no-redundant-nesting-selector": true,
    "selector-attribute-quotes": "always",
    "selector-class-pattern": "^[a-z][a-zA-Z0-9]+$",
    "selector-id-pattern": "^[a-z][a-zA-Z0-9]+$",
    "selector-max-attribute": 1,
    "selector-max-class": 1,
    "selector-max-combinators": 1,
    "selector-max-compound-selectors": 2,
    "selector-max-id": 1,
    "selector-max-pseudo-class": 2,
    "selector-max-type": 1,
    "selector-max-universal": 1,
    "selector-no-qualifying-type": true,
    "selector-pseudo-element-colon-notation": "single",
    "selector-type-no-unknown": [
      true,
      {
        "ignore": [
          "custom-elements"
        ]
      }
    ],
    "shorthand-property-no-redundant-values": true
  }
}