Fix sidebar buttons for RES.

User: http://www.reddit.com/user/aphoenix
Comment: http://www.reddit.com/r/typography/comments/17gb2n/rtypography_has_a_new_style_and_an_updated_logo/c85b25k
Fix display of ads.
Fix class "keyhighlight" for RES.

User: http://www.reddit.com/user/aphoenix
Comment: http://www.reddit.com/r/typography/comments/17gb2n/rtypography_has_a_new_style_and_an_updated_logo/c85b9cw
Make subreddit description less prominent.
Fixed search field width for widened sidebar.