Removed unnecessary font size declaration. Also removed the margin-right since it looks bad.
Unboxed each note in the Notes section. Readded the yellow background to Caution boxes, but made it darker than before.
Removing thanks to section from homepage
Merge branch 'master' of git://git.php.net/web/php
Adjusted Note and Caution boxes, especially in the Notes section. Also moved the border of User Contributed Notes below the text.