http://imgur.com/QYaYvaW

It was working normally before. It just started doing this recently. I have some custom categories, nothing too complex. Is there any additional info I can provide?

Ok, some additional information. In Options under section layout, I had the Backpack column width set to 20. This seem to have caused it. I reduced it to 6 and the sections all cradled back into the frame appropriately.