Width changes when next/prev is pressed

First let me say this is great work and a very clean design. I like it quite a bit. However the one issue I see that precludes us from implementing it, is the width changes when next/prev is clicked. The problem is most apparent when pressing next after a fresh page load. The number and size of the pages increases until eventually the last item is in the place of the next button causing the user to inadvertently click the last item. For example, this could cause them to jump from 10 to 100 when they are expecting 11. This can be very confusing. They also have to click the first item and start clicking next to find their original location which can be very frustrating. Contributing to this is the number of digits present in the page number. The width of the

Reproduce the issue by using the next/prev pagination controls after a fresh page load, including transitions from single- to multi-digit page numbers. Inspect the controls'

Written by the indexing model from the issue text.