.stylelintrc

{
    "extends": "stylelint-config-standard",
    "plugins": [
        "stylelint-scss"
    ],
    "rules": {
        "at-rule-empty-line-before": null,
        "number-leading-zero": null,
        "indentation": 4,
        "media-feature-name-no-unknown": [
            true,
            {
                "ignoreMediaFeatureNames": [
                    "/^--breakpoint/"
                ]
            }
        ],
        "at-rule-no-unknown": [
            true,
            {
                "ignoreAtRules": [
                    "add-mixin",
                    "svg-load",
                    "define-mixin",
                    "for",
                    "custom-media",
                    "include",
                    "component",
                    "modifier",
                    "descendent",
                    "when",
                    "utility",
                    "component-namespace",
                    "each",
                    "custom-selector",
                    "if",
                    "else",
                    "extend",
                    "at-root",
                    "function",
                    "warn",
                    "return",
                    "mixin",
                    "error",
                    "while"
                ]
            }
        ],
        "scss/at-rule-no-unknown": true
    }
}