Simplest carousel (no image) failed

A simple carousel (in a window) with only simple template doesn’t work http://webix.com/snippet/bb52d259

It works, but without navigation items/buttons (both are set to false) it requires a custom navigation area (described below in this chapter). Here’s also a sample.

On the other hand, default navigation controls are white, but it’s possible to set paddings or highlight them as follows:

http://webix.com/snippet/b75c24ed