So I was just in the middle of typing up a reply to a thread, and evidently a mod closed the thread as I was typing, but before I hit the button to post. Suddenly I ended up with a translucent image of the post by the mod closing the thread, along with the previous posts in the thread, showing up on the left-hand side of the screen, and I could no longer click on anything on the page. I don't mean just the button to post or save a draft - I couldn't click the links at the top of the page to get back to the forum I was in either.

Has anyone else experienced this? I mean, it's pretty minor, and it doesn't really matter, I just thought it was weird.