# Example config This example config lists all of the [rules](rules.md) and their primary options. You can remove ([or turn off](configuration.md#rules)) the rules you don't want and edit the primary option of each rule to your liking. You might want to learn a little about [how rules are named and how they work together](about-rules.md), to get a better idea of what each rule does. ```json { "rules": { "at-rule-blacklist": string|[], "at-rule-empty-line-before": "always"|"never", "at-rule-name-case": "lower"|"upper", "at-rule-name-newline-after": "always"|"always-multi-line", "at-rule-name-space-after": "always"|"always-single-line", "at-rule-no-unknown": true, "at-rule-no-vendor-prefix": true, "at-rule-semicolon-newline-after": "always", "at-rule-whitelist": string|[], "block-closing-brace-empty-line-before": "always-multi-line"|"never", "block-closing-brace-newline-after": "always"|"always-single-line"|"never-single-line"|"always-multi-line"|"never-multi-line", "block-closing-brace-newline-before": "always"|"always-multi-line"|"never-multi-line", "block-closing-brace-space-after": "always"|"always-single-line"|"never-single-line"|"always-multi-line"|"never-multi-line", "block-closing-brace-space-before": "always"|"never"|"always-single-line"|"never-single-line"|"always-multi-line"|"never-multi-line", "block-no-empty": true, "block-opening-brace-newline-after": "always"|"always-multi-line"|"never-multi-line", "block-opening-brace-newline-before": "always"|"always-single-line"|"never-single-line"|"always-multi-line"|"never-multi-line", "block-opening-brace-space-after": "always"|"always-single-line"|"never-single-line"|"always-multi-line"|"never-multi-line", "block-opening-brace-space-before": "always"|"always-single-line"|"never-single-line"|"always-multi-line"|"never-multi-line", "color-hex-case": "lower"|"upper", "color-hex-length": "short"|"long", "color-named": "always-where-possible"|"never", "color-no-hex": true, "color-no-invalid-hex": true, "comment-empty-line-before": "always"|"never", "comment-no-empty": true, "comment-whitespace-inside": "always"|"never", "comment-word-blacklist": string|[], "custom-media-pattern": string, "custom-property-empty-line-before": "always"|"never", "custom-property-pattern": string, "declaration-bang-space-after": "always"|"never", "declaration-bang-space-before": "always"|"never", "declaration-block-no-duplicate-properties": true, "declaration-block-no-redundant-longhand-properties": true, "declaration-block-no-shorthand-property-overrides": true, "declaration-block-semicolon-newline-after": "always"|"always-multi-line"|"never-multi-line", "declaration-block-semicolon-newline-before": "always"|"always-multi-line"|"never-multi-line", "declaration-block-semicolon-space-after": "always"|"never"|"always-single-line"|"never-single-line", "declaration-block-semicolon-space-before": "always"|"never"|"always-single-line"|"never-single-line", "declaration-block-single-line-max-declarations": int, "declaration-block-trailing-semicolon": "always"|"never", "declaration-colon-newline-after": "always"|"always-multi-line", "declaration-colon-space-after": "always"|"never"|"always-single-line", "declaration-colon-space-before": "always"|"never", "declaration-empty-line-before": "always"|"never", "declaration-no-important": true, "declaration-property-unit-blacklist": {}, "declaration-property-unit-whitelist": {}, "declaration-property-value-blacklist": {}, "declaration-property-value-whitelist": {}, "font-family-name-quotes": "always-where-required"|"always-where-recommended"|"always-unless-keyword", "font-family-no-duplicate-names": true, "font-weight-notation": "numeric"|"named", "function-blacklist": string|[], "function-calc-no-unspaced-operator": true, "function-comma-newline-after": "always"|"always-multi-line"|"never-multi-line", "function-comma-newline-before": "always"|"always-multi-line"|"never-multi-line", "function-comma-space-after": "always"|"never"|"always-single-line"|"never-single-line", "function-comma-space-before": "always"|"never"|"always-single-line"|"never-single-line", "function-linear-gradient-no-nonstandard-direction": true, "function-max-empty-lines": int, "function-name-case": "lower"|"upper", "function-parentheses-newline-inside": "always"|"always-multi-line"|"never-multi-line", "function-parentheses-space-inside": "always"|"never"|"always-single-line"|"never-single-line", "function-url-data-uris": "always"|"never", "function-url-no-scheme-relative": true, "function-url-quotes": "always"|"never", "function-url-scheme-whitelist": string|[], "function-whitelist": string|[], "function-whitespace-after": "always"|"never", "indentation": int|"tab", "keyframe-declaration-no-important": true, "length-zero-no-unit": true, "max-empty-lines": int, "max-line-length": int, "max-nesting-depth": int, "media-feature-colon-space-after": "always"|"never", "media-feature-colon-space-before": "always"|"never", "media-feature-name-blacklist": string|[], "media-feature-name-case": "lower"|"upper", "media-feature-name-no-unknown": true, "media-feature-name-no-vendor-prefix": true, "media-feature-name-whitelist": string|[], "media-feature-parentheses-space-inside": "always"|"never", "media-feature-range-operator-space-after": "always"|"never", "media-feature-range-operator-space-before": "always"|"never", "media-query-list-comma-newline-after": "always"|"always-multi-line"|"never-multi-line", "media-query-list-comma-newline-before": "always"|"always-multi-line"|"never-multi-line", "media-query-list-comma-space-after": "always"|"never"|"always-single-line"|"never-single-line", "media-query-list-comma-space-before": "always"|"never"|"always-single-line"|"never-single-line", "no-descending-specificity": true, "no-duplicate-selectors": true, "no-empty-source": true, "no-eol-whitespace": true, "no-extra-semicolons": true, "no-invalid-double-slash-comments": true, "no-missing-end-of-source-newline": true, "no-unknown-animations": true, "number-leading-zero": "always"|"never", "number-max-precision": int, "number-no-trailing-zeros": true, "property-blacklist": string|[], "property-case": "lower"|"upper", "property-no-unknown": true, "property-no-vendor-prefix": true, "property-whitelist": string|[], "rule-empty-line-before": "always"|"never"|"always-multi-line"|"never-multi-line", "selector-attribute-brackets-space-inside": "always"|"never", "selector-attribute-operator-blacklist": string|[], "selector-attribute-operator-space-after": "always"|"never", "selector-attribute-operator-space-before": "always"|"never", "selector-attribute-operator-whitelist": string|[], "selector-attribute-quotes": "always"|"never", "selector-class-pattern": string, "selector-combinator-space-after": "always"|"never", "selector-combinator-space-before": "always"|"never", "selector-descendant-combinator-no-non-space": true, "selector-id-pattern": string, "selector-list-comma-newline-after": "always"|"always-multi-line"|"never-multi-line", "selector-list-comma-newline-before": "always"|"always-multi-line"|"never-multi-line", "selector-list-comma-space-after": "always"|"never"|"always-single-line"|"never-single-line", "selector-list-comma-space-before": "always"|"never"|"always-single-line"|"never-single-line", "selector-max-empty-lines": int, "selector-max-compound-selectors": int, "selector-max-specificity": string, "selector-nested-pattern": string, "selector-no-attribute": true, "selector-no-combinator": true, "selector-no-id": true, "selector-no-qualifying-type": true, "selector-no-type": true, "selector-no-universal": true, "selector-no-vendor-prefix": true, "selector-pseudo-class-blacklist": string|[], "selector-pseudo-class-case": "lower"|"upper", "selector-pseudo-class-no-unknown": true, "selector-pseudo-class-parentheses-space-inside": "always"|"never", "selector-pseudo-class-whitelist": string|[], "selector-pseudo-element-case": "lower"|"upper", "selector-pseudo-element-colon-notation": "single"|"double", "selector-pseudo-element-no-unknown": true, "selector-type-case": "lower"|"upper", "selector-type-no-unknown": true, "shorthand-property-no-redundant-values": true, "string-no-newline": true, "string-quotes": "single"|"double", "time-min-milliseconds": int, "unit-blacklist": string|[], "unit-case": "lower"|"upper", "unit-no-unknown": true, "unit-whitelist": string|[], "value-keyword-case": "lower"|"upper", "value-list-comma-newline-after": "always"|"always-multi-line"|"never-multi-line", "value-list-comma-newline-before": "always"|"always-multi-line"|"never-multi-line", "value-list-comma-space-after": "always"|"never"|"always-single-line"|"never-single-line", "value-list-comma-space-before": "always"|"never"|"always-single-line"|"never-single-line", "value-list-max-empty-lines": int, "value-no-vendor-prefix": true } } ```