.stylelintrc.json

{
  "extends": [
    "stylelint-config-recommended-scss",
    "stylelint-config-rational-order",
    "stylelint-config-css-modules"
  ],
  "plugins": [
    "stylelint-scss",
    "stylelint-order",
    "stylelint-config-rational-order/plugin"
  ],
  "rules": {
    "order/order": [
      "dollar-variables",
      {
        "type": "at-rule",
        "name": "include",
        "hasBlock": false
      },
      {
        "type": "at-rule",
        "name": "extend"
      },
      "declarations"
    ],
    "order/properties-order": [],
    "plugin/rational-order": [
      true,
      {
        "border-in-box-model": false,
        "empty-line-between-groups": true
      }
    ],
    "at-rule-no-unknown": null,
    "scss/at-rule-no-unknown": true,
    "indentation": 2,
    "string-quotes": "double",
    "selector-class-pattern": "^([a-z][a-z0-9]*)(-[a-z0-9]+)*$",
    "scss/dollar-variable-pattern": "^([a-z][a-z0-9]*)(-[a-z0-9]+)*$",
    "declaration-block-trailing-semicolon": "always",
    "declaration-colon-space-after": "always-single-line",
    "scss/dollar-variable-colon-space-after": "always-single-line",
    "max-empty-lines": 1,
    "block-opening-brace-space-before": "always",
    "block-opening-brace-newline-after": "always",
    "block-closing-brace-newline-before": "always",
    "rule-empty-line-before": [
      "always",
      {
        "ignore": ["first-nested", "after-comment"]
      }
    ],
    "number-leading-zero": "always",
    "color-hex-case": "lower"
  }
}