Download differential

Differential is a 2 column, left sidebar theme with a dark background. It is fluid and widgetized.
Changes Made:

• Header.php - The title tag section was changed to work with two of the more popular ’search engine optimization’ plugins - All-In-One SEO and SEO Title Tag.
• Index.php - No change.
• Page.php - Changed post title to h2.
• Single.php -No change.
• Archive.php - Changed page header to h2.
• Comments.php - Changed response/leave reply text to h3.
• Sidebar.php - Changed category headings to h3