ransition style (none/fade/slide/convex/concave/zoom)
        transition: 'none',

        // Transition speed (default/fast/slow)
        transitionSpeed: 'default',

        // Transition style for full page slide backgrounds
        // (none/fade/slide/convex/concave/zoom)
        backgroundTransition: 'none',

        // Number of slides away from the current that are visible
        viewDistance: 3,

        // Number of slides away from the current that are visible on mobile
        // devices. It is 