drop-down menus aren't visible
When I hover over an item or icon, a box appears but nothing is showing in the box. If I move my cursor over the blank box, lines will be highlighted as I move over the box but no words appear. For example if I click on the green + icon, an empty box appears.
Can you take a screenshot that shows this, upload it somewhere (e.g., Dropbox or Google Drive), and provide a link here?