.stylelintrc

{
  "extends": ["stylelint-config-standard", "stylelint-config-rational-order"],
  "rules": {
    "alpha-value-notation": "number",
    "custom-property-pattern": [
      "^(-{0,2}[a-z0-9]+)*$",
      {
        "message": "Expected custom property name \"${name}\" to be kebab-case + double hyphens"
      }
    ],
    "declaration-block-no-duplicate-properties": [
      true,
      {
        "ignore": ["consecutive-duplicates-with-different-values"]
      }
    ],
    "declaration-empty-line-before": [
      "always",
      {
        "except": ["after-comment", "first-nested"],
        "ignore": ["after-declaration"]
      }
    ],
    "font-weight-notation": "numeric",
    "import-notation": "string",
    "linebreaks": "unix",
    "max-line-length": [80, { "ignore": "non-comments" }],
    "number-max-precision": 3,
    "selector-class-pattern": [
      "^((?!\\-).)*$",
      { "message": "Don't use hyphens in class selectors" }
    ],
    "selector-id-pattern": [
      "^((?!\\-).)*$",
      { "message": "Don't use hyphens in id selectors" }
    ],
    "selector-no-vendor-prefix": null,
    "selector-pseudo-element-colon-notation": "double",
    "value-list-comma-newline-after": "always-multi-line",
    "value-list-comma-space-after": "always-single-line",
    "value-list-comma-space-before": "never",

    "plugin/rational-order": [
      true,
      {
        "border-in-box-model": true
      }
    ]
  }
}