Several custom CSS styles for PA got posted on userstyles.org. They can be used with Stylish add-on on Firefox or Chrome, but are also installable as user stylesheets and user scripts, even on Opera.
Summary:
- Choose your color changes most of the red on PA into a color of choice.
- Enhancements makes website slightly wider, marks external links with a special image (like Wikipedia). Links that are extremely likely to be dangerous or SPAM get a red arrow next to them.
- Clean removes clutter from the website.
- Bright, blue, sky themes the entire website with sky and clouds as it's motives.
- Dark, blue themes the entire website dark and blue.
- Dark, gold themes the entire website dark and gold.
Enhancements + changes only the background color of new replies, which you choose. Probably the most useful one, since it makes it a breeze to notice new replies.outdated, this has been implemented on PA.
Have fun.
Added: Choose your color changes most of the red on PA into a color of choice.
My posts are old and likely no longer relevant.