.stylelintrc

{
	"rules": {
		"indentation": "tab",
		"color-hex-case": "lower",
		"color-no-invalid-hex": true,

		"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",

		"number-leading-zero": "always",
		"number-no-trailing-zeros": true,
		"length-zero-no-unit": true,

		"string-no-newline": true,
		"string-quotes": "single",

		"unit-case": "lower",
		"unit-no-unknown": true,
		"unit-allowed-list": ["px", "%", "deg", "ms", "em", "vh", "vw", "rem", "s", "ex", "pt", "cm"],

		"value-list-comma-space-after": "always-single-line",
		"value-list-comma-space-before": "never",

		"shorthand-property-no-redundant-values": true,

		"property-case": "lower",

		"declaration-block-no-duplicate-properties": [true, { "severity": "warning" } ],
		"declaration-block-trailing-semicolon": "always",
		"declaration-block-single-line-max-declarations": 0,
		"declaration-block-semicolon-space-before": "never",
		"declaration-block-semicolon-space-after": "always-single-line",
		"declaration-block-semicolon-newline-before": "never-multi-line",
		"declaration-block-semicolon-newline-after": "always-multi-line",

		"block-closing-brace-newline-after": "always",
		"block-closing-brace-newline-before": "always-multi-line",
		"block-no-empty": true,
		"block-opening-brace-newline-after": "always-multi-line",
		"block-opening-brace-space-before": "always",

		"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": "always",
		"selector-pseudo-element-case": "lower",
		"selector-pseudo-element-colon-notation": "double",
		"selector-pseudo-element-no-unknown": true,
		"selector-type-case": "lower"
	}
}