Argh, this is addictive. One suggestion for improvement: It would be nice if I could hit escape (or click outside of the text) to get rid of the cyan highlight

Argh, this is addictive. One suggestion for improvement: It would be nice if I could hit escape (or click outside of the text) to get rid of the cyan highlight on the letter. Color can change the perceived size of a shape, and when you're at the level of tweaking by pixels, it can make a difference.