Could it be that you have accidentally pushed ctrl and - ? Try hitting ctrl with the "+" button to zoom back in.
smaller font?
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I don't think that is what happened but thanks, I did push ctrl + and now my font is really big! 
I can see it really well now!
Why is all my font suddenly so much smaller? It's bad enough that I can't read what people say because of my purple background. Now I am surely going to have to change my coloring in my page.