.stylelintrc.json

{
  "extends": ["stylelint-config-rational-order"],
  "plugins": ["stylelint-scss"],
  "ignoreFiles": [
    "**/*.js",
    "**/*.jsx",
    "**/*.ts",
    "**/*.tsx"
  ],
  "rules": {
    "indentation": 2,
    "no-empty-source": true,
    "block-closing-brace-newline-before": "always",
    "block-opening-brace-newline-after": "always",
    "block-opening-brace-space-before": "always",
    "declaration-colon-space-before": "never",
    "declaration-colon-space-after": "always",
    "declaration-block-trailing-semicolon": "always",
    "selector-list-comma-newline-after": "always",
    "selector-attribute-quotes": "always",
    "selector-max-compound-selectors": 5,
    "declaration-block-no-duplicate-properties": true,
    "property-no-unknown": true,
    "length-zero-no-unit":true,
    "selector-type-case":"lower",
    "selector-class-pattern":"^([a-z][a-z0-9]*)(-[a-z0-9]+)*$",
    "color-hex-length":"long",
    "color-hex-case":"lower",
    "number-leading-zero":"never",
    "font-family-name-quotes":"always-where-recommended",
    "string-quotes":"double",
    "function-url-quotes":"never",
    "function-comma-space-after":"always",
    "function-calc-no-unspaced-operator":true,
    "scss/at-mixin-argumentless-call-parentheses":"always",
    "scss/at-mixin-parentheses-space-before":"never",
    "scss/at-function-parentheses-space-before":"never",
    "scss/dollar-variable-pattern": "^([a-z][a-z0-9]*)(-[a-z0-9]+)*$",
    "scss/operator-no-unspaced": true,
    "rule-empty-line-before": [
      "always",
      {
        "except": ["first-nested", "after-single-line-comment"]
      }
    ]
  }
}