.stylelintrc.json

{
  "extends": [
    "stylelint-config-standard",
    "stylelint-config-sass-guidelines"
  ],
  "rules": {
    "indentation": 4,
    "string-quotes": "double",
    "max-empty-lines": 3,
    "value-keyword-case": [
      "lower",
      {
        "ignoreKeywords": ["BlinkMacSystemFont", "Roboto", "Helvetica", "Arial", "sans-serif"]
      }
    ],
    "scss/at-mixin-pattern": ".*",
    "selector-class-pattern": [
      ".*",
      {
        "resolveNestedSelectors": true
      }
    ],
    "scss/percent-placeholder-pattern": ".*",
    "selector-no-qualifying-type": [
      true,
      {
        "ignore": ["attribute", "class", "id"]
      }
    ],
    "scss/at-function-pattern": ".*",
    "selector-max-id": 1,
    "max-nesting-depth": [
      2,
      {
        "ignore": ["pseudo-classes"]
      }
    ]
  },
  "ignoreFiles": [
    "src/scss/vendor/include-media/**/*",
    "src/scss/vendor/normalize/**/*",
    "src/scss/vendor/purecss/**/*"
  ]
}