pub fn new_with_manager<Css, M>(css: Css, manager: M) -> Result<Self>
    where
        Css: TryInto<StyleSource>,
        crate::Error: From<Css::Error>,
        M: Into<StyleManager>,
    {
        let mgr = manager.into();
        Self::create_with_manager(mgr.prefix(), css, mgr.clone())
    }
Creates a new style from some parsable css with a default prefix using a custom
manager.
packages/stylist/src/style.rs