.stylelintrc.json

{
  "extends": "stylelint-config-standard",
  "plugins": [
    "stylelint-scss"
  ],
  "rules": {
    "selector-class-pattern": "^([a-z][a-z0-9]*)(-[a-z0-9]+)*$",
    "at-rule-empty-line-before": null,
    "max-empty-lines": 2,
    "indentation": 4,
    "no-descending-specificity": null,
    "at-rule-no-unknown": null,
    "property-no-vendor-prefix": true,
    "selector-no-vendor-prefix": true,
    "value-no-vendor-prefix": true,
    "no-eol-whitespace": null,
    "number-leading-zero": "never",
    "scss/at-rule-no-unknown": true,
    "scss/dollar-variable-colon-space-after": "always",
    "scss/at-import-no-partial-leading-underscore": true,
    "scss/at-import-partial-extension-blacklist": ["scss", "sass"],
    "scss/at-mixin-argumentless-call-parentheses": "always",
    "scss/at-mixin-parentheses-space-before": "always",
    "scss/dollar-variable-colon-newline-after": "always-multi-line",
    "scss/declaration-nested-properties-no-divided-groups": true,
    "scss/selector-no-redundant-nesting-selector": true,
    "scss/no-duplicate-dollar-variables": true
  }
}