.stylelintrc

{
	"plugins": [
		"stylelint-no-unsupported-browser-features",
		"stylelint-order",
		"stylelint-scss",
		"stylelint-selector-no-utility"
	],
	"rules": {
		"at-rule-blacklist": ["extend"],
		"at-rule-name-case": "lower",
		"at-rule-name-space-after": "always-single-line",
		"at-rule-semicolon-newline-after": "always",
		"block-closing-brace-newline-after": "always",
		"block-closing-brace-newline-before": "always-multi-line",
		"block-closing-brace-space-before": "always-single-line",
		"block-no-empty": true,
		"block-opening-brace-newline-after": "always-multi-line",
		"block-opening-brace-space-after": "always-single-line",
		"block-opening-brace-space-before": "always",
		"color-hex-case": "lower",
		"color-hex-length": "short",
		"color-named": "never",
		"color-no-invalid-hex": true,
		"comment-empty-line-before": [
		  "always",
		  {
		    "except": [
		      "first-nested"
		    ],
		    "ignore": [
		      "stylelint-commands"
		    ]
		  }
		],
		"comment-whitespace-inside": "always",
		"declaration-bang-space-after": "never",
		"declaration-bang-space-before": "always",
		"declaration-block-no-duplicate-properties": [
		  true,
		  {
		    "ignore": [
		      "consecutive-duplicates"
		    ]
		  }
		],
		"declaration-block-no-shorthand-property-overrides": true,
		"declaration-block-semicolon-newline-after": "always",
		"declaration-block-semicolon-space-before": "never",
		"declaration-block-single-line-max-declarations": 1,
		"declaration-block-trailing-semicolon": "always",
		"declaration-colon-newline-after": "always-multi-line",
		"declaration-colon-space-after": "always-single-line",
		"declaration-colon-space-before": "never",
		"declaration-property-value-blacklist": {
		  "/^transition/": [
		    "/all/"
		  ],
		  "/^background/": [
		    "http:",
		    "https:"
		  ],
		  "/^border/": [
		    "none"
		  ],
		  "/.+/": [
		    "initial"
		  ]
		},
		"font-family-name-quotes": "always-where-recommended",
		"function-calc-no-unspaced-operator": true,
		"function-comma-newline-after": "always-multi-line",
		"function-comma-space-after": "always-single-line",
		"function-comma-space-before": "never",
		"function-linear-gradient-no-nonstandard-direction": true,
		"function-max-empty-lines": 0,
		"function-name-case": "lower",
		"function-parentheses-newline-inside": "always-multi-line",
		"function-parentheses-space-inside": "never-single-line",
		"function-url-quotes": "always",
		"function-whitespace-after": "always",
		"indentation": 2,
		"max-empty-lines": 1,
		"max-nesting-depth": 5,
		"media-feature-colon-space-after": "always",
		"media-feature-colon-space-before": "never",
		"media-feature-parentheses-space-inside": "never",
		"media-feature-range-operator-space-after": "always",
		"media-feature-range-operator-space-before": "always",
		"media-query-list-comma-newline-after": "always-multi-line",
		"media-query-list-comma-space-after": "always-single-line",
		"media-query-list-comma-space-before": "never",
		"no-duplicate-selectors": true,
		"no-extra-semicolons": true,
		"no-missing-end-of-source-newline": true,
		"number-leading-zero": "never",
		"number-no-trailing-zeros": true,
    "order/properties-order": [
      "counter-reset",
      "counter-increment",
      "content",
      "quotes",

      "display",

      "flex",
      "flex-grow",
      "flex-shrink",
      "flex-basis",
      "align-content",
      "align-items",
      "align-self",
      "justify-content",
      "flex-flow",
      "flex-direction",
      "flex-wrap",
      "order",

      "position",
      "z-index",
      "top",
      "right",
      "bottom",
      "left",

      "transform",
      "transform-origin",
      "transform-style",

      "outline",
      "outline-width",
      "outline-style",
      "outline-color",
      "outline-offset",

      "table-layout",
      "caption-side",
      "empty-cells",
      "border-spacing",
      "border-collapse",

      "list-style",
      "list-style-position",
      "list-style-type",
      "list-style-image",

      "visibility",
      "opacity",

      "float",
      "clear",

      "overflow",
      "overflow-x",
      "overflow-y",

      "clip",

      "box-sizing",

      "width",
      "min-width",
      "max-width",
      "height",
      "min-height",
      "max-height",

      "resize",

      "margin",
      "margin-top",
      "margin-right",
      "margin-bottom",
      "margin-left",
      "padding",
      "padding-top",
      "padding-right",
      "padding-bottom",
      "padding-left",

      "text-align",
      "text-align-last",
      "text-decoration",
      "text-emphasis",
      "text-emphasis-position",
      "text-emphasis-style",
      "text-emphasis-color",
      "text-indent",
      "text-justify",
      "text-outline",
      "text-transform",
      "text-wrap",
      "text-overflow",
      "text-overflow-ellipsis",
      "text-overflow-mode",
      "text-shadow",

      "vertical-align",

      "-webkit-text-size-adjust",

      "white-space",
      "word-spacing",
      "word-wrap",
      "word-break",
      "tab-size",
      "hyphens",
      "letter-spacing",

      "font",
      "src",
      "font-family",
      "font-size",
      "font-weight",
      "font-style",
      "font-variant",
      "font-size-adjust",
      "font-stretch",
      "line-height",

      "-webkit-font-smoothing",

      "border",
      "border-width",
      "border-style",
      "border-color",
      "border-top",
      "border-top-width",
      "border-top-style",
      "border-top-color",
      "border-right",
      "border-right-width",
      "border-right-style",
      "border-right-color",
      "border-bottom",
      "border-bottom-width",
      "border-bottom-style",
      "border-bottom-color",
      "border-left",
      "border-left-width",
      "border-left-style",
      "border-left-color",
      "border-radius",
      "border-top-left-radius",
      "border-top-right-radius",
      "border-bottom-right-radius",
      "border-bottom-left-radius",
      "border-image",
      "border-image-source",
      "border-image-slice",
      "border-image-width",
      "border-image-outset",
      "border-image-repeat",
      "border-top-image",
      "border-right-image",
      "border-bottom-image",
      "border-left-image",
      "border-corner-image",
      "border-top-left-image",
      "border-top-right-image",
      "border-bottom-right-image",
      "border-bottom-left-image",

      "box-shadow",

      "background",
      "background-color",
      "background-image",
      "background-attachment",
      "background-position",
      "background-position-x",
      "background-position-y",
      "background-clip",
      "background-origin",
      "background-size",
      "-webkit-background-size",
      "background-repeat",

      "-ms-interpolation-mode",
      "filter",

      "color",

      "pointer-events",
      "cursor",

      "nav-index",
      "nav-up",
      "nav-right",
      "nav-down",
      "nav-left",

      "transition",
      "transition-delay",
      "transition-timing-function",
      "transition-duration",
      "transition-property",

      "animation",
      "animation-name",
      "animation-duration",
      "animation-play-state",
      "animation-timing-function",
      "animation-delay",
      "animation-iteration-count",
      "animation-direction",

      "unicode-bidi",
      "direction",
      "columns",
      "column-span",
      "column-width",
      "column-count",
      "column-fill",
      "column-gap",
      "column-rule",
      "column-rule-width",
      "column-rule-style",
      "column-rule-color",
      "break-before",
      "break-inside",
      "break-after",
      "page-break-before",
      "page-break-inside",
      "page-break-after",
      "orphans",
      "widows",
      "zoom",
      "max-zoom",
      "min-zoom",
      "user-zoom",
      "orientation",

      "-webkit-backface-visibility",
      "appearance",
      "overflow-scrolling"
    ],
    "plugin/no-unsupported-browser-features": [true, {
      "browsers": "> 1%, not OperaMini all",
      "severity": "warning",
      "ignore": ["css-appearance", "flexbox", "css-hyphens", "calc", "viewport-units", "outline"]
    }],
		"primer/selector-no-utility": true,
		"property-case": "lower",
		"property-no-vendor-prefix": true,
		"rule-empty-line-before": ["always-multi-line", {
	      "except": ["first-nested"],
	      "ignore": ["after-comment"]
	    }],
		"scss/selector-no-redundant-nesting-selector": true,
		"selector-attribute-brackets-space-inside": "never",
		"selector-attribute-operator-space-after": "never",
		"selector-attribute-operator-space-before": "never",
		"selector-class-pattern": [
		  "^(?!(js\\-))[a-z\\-0-9]+$",
		  {
		    "message": "Selector should be written in lowercase with hyphens (selector-class-pattern)"
		  }
		],
		"selector-combinator-space-after": "always",
		"selector-combinator-space-before": "always",
		"selector-list-comma-newline-after": "always-multi-line",
		"selector-list-comma-space-before": "never",
		"selector-max-compound-selectors": 5,
		"selector-max-empty-lines": 0,
		"selector-max-specificity": "0,5,0",
		"selector-no-id": true,
		"selector-no-qualifying-type": [false, {
			"ignore": "attribute"
		}],
		"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,
		"selector-type-case": "lower",
		"shorthand-property-no-redundant-values": true,
		"string-no-newline": true,
		"string-quotes": "single",
		"unit-case": "lower",
		"unit-no-unknown": true,
		"value-list-comma-newline-after": "always-multi-line",
		"value-list-comma-space-after": "always-single-line",
		"value-list-comma-space-before": "never",
		"value-no-vendor-prefix": true
	}
}