You have the ability of hiding arrows while mouse is out of slider, showing arrows over videoplayer and hiding arrows in specific size of windows and less than that.
The figure below shows these options on Master Slider panel.
Adds arrow navigation to the slider. css class names: "ms-nav-next" and "ms-nav-prev"
|autohide||true||Whether the control hides when mouse leaves the slider.|
|overVideo||true||Whether the control visible over slide video while playing.|
|hideUnder||null||Hides the control if width of slider comes less than specified.|