I'm having the following problem: In emacs the tool bar icons are invisible as can be seen here. There should be icons like visit new file, save buffer etc below the menu at the top and above the buffer. By the way, they aren't missing, I can still click them. The icons are just blank. I can even hover over them or press them, it all works.
I have no idea why this happened, nor do I know how to fix it. Any suggestions?