Regarding the feedback button, having some more breathing space at the bottom of your pages should solve any overlaying consequences from having it being sticky. I would keep it bottom right since it's the most often used location for feedback or help services.
- Where do you put the feedback button?
- Where is the floating button?
- What does a floating action button do?
Where do you put the feedback button?
A website feedback button is a tab or icon that is used to collect feedback from online visitors and customers while they are on your website. These buttons are usually located on the side or at the bottom of a web page so that they are easy for the visitor to find.
Where is the floating button?
A floating action button (FAB) performs the primary, or most common, action on a screen. It appears in front of all screen content, typically as a circular shape with an icon in its center.
What does a floating action button do?
A floating action button (FAB) is a circular button that triggers the primary action in your app's UI. This page shows you how to add the FAB to your layout, customize some of its appearance, and respond to button taps.