Stylelint default config (requires $ npm i -D stylelint-config-standard
{
"extends": ["stylelint-config-standard"],
"rules": {
"at-rule-no-vendor-prefix": true,
"block-no-empty": true,
"color-hex-case": "lower",
"color-hex-length": "long",
"color-no-invalid-hex": true,
"comment-empty-line-before": "always",
"comment-whitespace-inside": "always",
"declaration-bang-space-before": "always",
"declaration-block-semicolon-space-before": "never-single-line",
"declaration-block-single-line-max-declarations": 1,
"declaration-colon-space-after": "always",
"declaration-colon-space-before": "never",
"declaration-no-important": true,
"function-calc-no-unspaced-operator": true,
"function-comma-space-after": "always-single-line",
"function-comma-space-before": "never",
"function-linear-gradient-no-nonstandard-direction": true,
"function-parentheses-space-inside": "never",
"function-url-quotes": "double",
"function-whitespace-after": "always",
"indentation": 2,
"max-empty-lines": 2,
"max-line-length": 120,
"media-feature-colon-space-after": "always",
"media-feature-colon-space-before": "never",
"media-feature-name-no-vendor-prefix": true,
"media-feature-range-operator-space-after": "always",
"media-feature-range-operator-space-before": "always",
"media-query-list-comma-space-after": "always-single-line",
"media-query-list-comma-space-before": "never",
"media-query-parentheses-space-inside": "always",
"no-eol-whitespace": true,
"no-missing-eof-newline": true,
"number-leading-zero": "always",
"number-max-precision": 2,
"number-no-trailing-zeros": true,
"number-zero-length-no-unit": true,
"property-no-vendor-prefix": true,
"rule-non-nested-empty-line-before": "always",
"selector-combinator-space-after": "always",
"selector-combinator-space-before": "always",
"selector-list-comma-space-after": "always",
"selector-list-comma-space-before": "never",
"selector-no-universal": true,
"selector-no-vendor-prefix": true,
"selector-pseudo-element-colon-notation": "double",
"selector-root-no-composition": true,
"string-quotes": "double",
"value-list-comma-space-after": "always-single-line",
"value-list-comma-space-before": "never",
"value-no-vendor-prefix": true
}
}