My website built with Bootstrap 3 looks great in Internet Explorer, but in Chrome and Firefox there seems to be a persistent bottom slider and a small area on the right side that remains visible even when I scale down to 1%.
I suspect this issue is related to the box-sizing property, as neither content-box nor border-box seem to resolve it. Despite inspecting the elements, I can't seem to find the source of the problem. Any guidance on where to focus my research would be greatly appreciated. This is how the issue appears: