If you give to each slide width (by %) you get this idea. About the spaces, you could add a margin/padding for each slide (Or for the content inside the slide).
Add a slider
Give all slides the same class
Set the width on the class to 33.33%
Read more her (under “Showing multiple slides at once”)
Cursor
About swipe. Weblow slider support swipe. If you want you could change the mouse cursor from auto to ew-resize (Under style panel)