Note: this will set a cookie on your system. The cookie contains the url of the skin file.
You may want to develop a PG skin and make it available to other people.
A skin is a CSS2 stylesheet with styles for all elements of the PG web site (quite a few).
Beware that the PG site is evolving. Keeping your skin in sync with the changes in the HTML code may be a time consuming task.
While accept skins that works on one browser only we strongly prefer skins that run on all browsers (although that is very hard to do). A really well made skin should look the same on following browsers: