.stylelintrc.json

{
  "plugins": [
    "stylelint-order"
  ],
  "rules": {
    "block-closing-brace-newline-after": "always",
    "block-closing-brace-newline-before": "always-multi-line",
    "block-opening-brace-newline-after": "always-multi-line",
    "block-opening-brace-space-before": "always-multi-line",
    "color-hex-case": "upper",
    "color-no-invalid-hex": true,
    "comment-whitespace-inside": "always",
    "declaration-block-no-duplicate-properties": [
      true,
      {
        "ignore": ["consecutive-duplicates-with-different-values"]
      }
    ],
    "declaration-block-semicolon-newline-after": "always-multi-line",
    "declaration-block-semicolon-newline-before": "never-multi-line",
    "declaration-block-semicolon-space-after": "always-single-line",
    "declaration-block-semicolon-space-before": "never",
    "declaration-block-single-line-max-declarations": 1,
    "declaration-block-trailing-semicolon": "always",
    "declaration-colon-space-after": "always",
    "function-calc-no-unspaced-operator": true,
    "function-comma-space-after": "always-single-line",
    "function-comma-space-before": "never",
    "function-name-case": "lower",
    "function-url-quotes": "always",
    "function-whitespace-after": "always",
    "indentation": 2,
    "length-zero-no-unit": true,
    "max-empty-lines": 4,
    "no-eol-whitespace": true,
    "number-leading-zero": "always",
    "number-no-trailing-zeros": true,
    "order/order": [
      "dollar-variables",
      "custom-properties",
      {
        "name": "include",
        "type": "at-rule"
      },
      "declarations",
      "rules",
      {
        "hasBlock": true,
        "name": "media",
        "type": "at-rule"
      }
    ],
    "order/properties-alphabetical-order": true,
    "property-case": "lower",
    "rule-empty-line-before": [
      "always",
      {
        "except": ["after-single-line-comment"],
        "ignore": ["after-comment"]
      }
    ],
    "selector-attribute-brackets-space-inside": "never",
    "selector-attribute-operator-space-after": "never",
    "selector-attribute-operator-space-before": "never",
    "selector-combinator-space-after": "always",
    "selector-combinator-space-before": "always",
    "selector-pseudo-class-case": "lower",
    "selector-pseudo-class-parentheses-space-inside": "never",
    "selector-pseudo-element-case": "lower",
    "selector-pseudo-element-colon-notation": "double",
    "selector-pseudo-element-no-unknown": [
      true,
      {
        "ignorePseudoElements": ["ng-deep"]
      }
    ],
    "selector-type-case": "lower",
    "shorthand-property-no-redundant-values": true,
    "string-no-newline": true,
    "string-quotes": "single",
    "unit-case": "lower",
    "unit-no-unknown": true,
    "unit-allowed-list": ["px", "%", "deg", "s", "ms", "em", "rem", "vh", "vw"],
    "value-list-comma-space-after": "always-single-line",
    "value-list-comma-space-before": "never"
  }
}