.stylelintrc

{
  "extends": [
    "stylelint-config-recommended",
    "stylelint-config-rational-order"
  ],
  "plugins": [
    "stylelint-order",
    "stylelint-scss"
  ],
  "rules": {
    "at-rule-empty-line-before": null,
    "at-rule-no-unknown": null,
    "at-rule-no-vendor-prefix": true,
    "color-hex-length": "long",
    "color-named": "never",
    "comment-empty-line-before": ["always", {
      "ignore": ["stylelint-commands"]
    }],
    "font-family-name-quotes": "always-where-recommended",
    "font-weight-notation": "numeric",
    "function-url-quotes": "always",
    "media-query-no-invalid": null,
    "no-descending-specificity": null,
    "no-unknown-animations": true,
    "property-no-vendor-prefix": true,
    "selector-class-pattern": "^[a-z0-9]+(-[a-z0-9]+)*(__[a-z]+)?(--[a-z]+)?$",
    "selector-type-no-unknown": [true, {"ignore": ["custom-elements"]}],
    "unit-allowed-list": ["px", "em", "deg", "ms", "%", "mm", "vh", "dppx", "s"],
    "value-keyword-case": "lower",
    "value-no-vendor-prefix": true,
    "function-no-unknown": null,
    "annotation-no-unknown": [true, {"ignoreAnnotations": ["default"]}]
  }
}