.stylelintrc.json

{
    "extends": [
        "stylelint-config-sass-guidelines"
    ],
    "rules": {
        "at-rule-empty-line-before": [
            "always",
            {
                "except": [
                    "first-nested",
                    "blockless-after-blockless"
                ],
                "ignore": [
                    "after-comment"
                ]
            }
        ],
        "max-nesting-depth": [
            1,
            {
                "ignoreAtRules": [
                    "each",
                    "media",
                    "supports",
                    "include"
                ],
                "ignore": [
                    "blockless-at-rules"
                ]
            }
        ],
        "selector-class-pattern": [
            "^[a-z]([a-z0-9-]+)?(__([a-z0-9]+-?)+)?(--([a-z0-9]+-?)+){0,2}$",
            {
                "message": "Selector should be written in kebab-case and in the BEM format `.block__element--modifier` (selector-class-pattern)"
            }
        ],
        "scss/at-mixin-argumentless-call-parentheses": "never",
        "selector-pseudo-element-colon-notation": "single"
    }
}