Static Chat link and hidden chat sticker issue

Static Chat link and hidden chat sticker issue

We are trying to implement chat into a browser based SAAS product. As we have controls all over the screen, having a always present bubble is not an option, so instead, we want to have a static button in a certain place that launches the Chat. We were able to accomplish that, however, for some reason, we have an area at the bottom of the page, exactly 21px high and taking up the entire width of the page, that is a acting as a link to show the Chat widget (same as the button). So wherever you click in that area, the chat window pops up.

This is a big issue for us since it, on occasion, overlaps with our controls making it hard for our users to click them.

The source code of that line is:

Does anyone have any idea how to address this?