.stylelintrc.json

{
  "extends": "stylelint-config-recommended",
  "rules": {
    "max-nesting-depth": 3,
    "property-no-vendor-prefix": true,
    "max-empty-lines": 2,
    "indentation": 2,
    "function-calc-no-unspaced-operator": true,
    "string-quotes": "double",
    "no-duplicate-selectors": null,
    "at-rule-no-unknown": null,
    "color-hex-case": null,
    "color-named": "never",
    "selector-max-id": 0,
    "selector-combinator-space-after": "always",
    "declaration-block-trailing-semicolon": "always",
    "declaration-colon-space-before": "never",
    "declaration-colon-space-after": "always",
    "rule-empty-line-before": ["always-multi-line", {
      "ignore": ["after-comment", "first-nested", "inside-block"]
    }],
    "media-feature-range-operator-space-before": "always",
    "media-feature-range-operator-space-after": "always",
    "media-feature-parentheses-space-inside": "never",
    "media-feature-colon-space-before": "never",
    "media-feature-colon-space-after": "always"
  }
}