I'd love an option to make text smaller than 12px (or set the size manually). We have an 80-character line limit in our repo, which means that comments are often in the 70-80 character range - this results in hard-to-read code in the PR view, as it wraps just one or two words each time. So, I'd love to make the text a little smaller so that just about 80 characters can fit on one line at a time.