Twenty Thirteen: fix incorrect CSS selector in ie.css, props FStop. Fixes #23548.


git-svn-id: http://core.svn.wordpress.org/trunk@23459 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Twenty Thirteen: proper alignment for featured images on pages with a sidebar. Props kwight, fixes #23527.


git-svn-id: http://core.svn.wordpress.org/trunk@23460 1a063a9b-81f0-0310-95a4-ce76da25c4cd