Dimming Safari Reader’s background

Sometimes, when I'm using Safari Reader, I get distracted by the webpage underneath because the Reader's background is too transparent (particularly in cluttered websites with light background).

via A tumblog by Zeno Crivelli ??" Dimming Safari Reader's background Sometimes,.... This hack requires that you download an html file and copy it into the Safari configuration directories.  Pretty simple.

He's also added an update that replaces the default Palatino font with Georgia.