.stylelintrc.json

{
	"rules": {
		"indentation": "tab",
		"string-quotes": "single",
		"no-extra-semicolons": true,
		"no-duplicate-selectors": true,
		"selector-combinator-space-after": "always",
		"selector-combinator-space-before": "always",
		"selector-attribute-quotes": "always",
		"selector-attribute-brackets-space-inside": "never",
		"function-url-quotes": ["always", {
			"except": ["empty"]
		}],
		"font-family-no-duplicate-names": true,
		"declaration-block-no-duplicate-properties": [true, {
			"ignore": ["consecutive-duplicates-with-different-values"]
		}],
		"function-calc-no-invalid": true,
		"function-linear-gradient-no-nonstandard-direction": true,
		"selector-pseudo-class-no-unknown": true,
		"selector-pseudo-element-no-unknown": true,
		"media-feature-name-no-unknown": true,
		"comment-no-empty": true,
		"no-invalid-double-slash-comments": true,
		"shorthand-property-no-redundant-values": true,
		"declaration-bang-space-before": "always",
		"declaration-colon-space-after": "always"
	}
}