Set custom top of float bar – write in the field number to set from what point from top the buttons will be rendered.
Set custom top of float bar for logged in users – write in the field number to set from what point from top the buttons will be rendered for logged in WordPress panel user only. If you have set 40 for custom top of float bar, you have to add 32 to 40. 32 px is the height of the WordPress admin bar. This value for float from top will be active only for logged in users.
Background color of float bar – this option gives you the opportunity to customize the background color of the buttons.
Set full width of float bar – tick off to activate full with for the float from top. This will make buttons to take full width of browser window.