id-class-style

A format specifier, or false. If set, ids and classes must fit the given format. May be overridden by class-style for classes and id-style for ids.

Possible values :

• "lowercase": Consists of lowercase letters
• "underscore": Lowercase and underscore-separated
• "dash": Lowercase and separated by hyphens
• "camel": camelCase (or CamelCase)
• "bem": The BEM (block, element, modifier) syntax