Scroll to top - is a button which appears bottom right after you scroll page 350 pixels. If you click that button it scrolls page to top.
Screenshot - configuration fields
Top Slider - is a hidden container with module position "topslider"
What is it for?
Any kind of module you want, which should be hidden but good visible as its click button is always top center, for example, announcment, note, warning, disclaimer, login, share buttons or any other which you think is the best place for it..
This element has the fallowing features:
1-4 parallel modules
customizing backgrounds of container and button
text fields for open and close buttons