Use correct variable. fixes #10787.

Built from https://develop.svn.wordpress.org/trunk@25843


git-svn-id: http://core.svn.wordpress.org/trunk@25755 1a063a9b-81f0-0310-95a4-ce76da25c4cd
CSS cleanup for the about page.

Also fixes for IE and support for RTL.

see #25603.
Built from https://develop.svn.wordpress.org/trunk@25844


git-svn-id: http://core.svn.wordpress.org/trunk@25756 1a063a9b-81f0-0310-95a4-ce76da25c4cd
About page: Use box-sizing: border-box on the password meter so pixels line up.

Also eliminates a duplicate width: 100% property.

fixes #25603.

Built from https://develop.svn.wordpress.org/trunk@25845


git-svn-id: http://core.svn.wordpress.org/trunk@25757 1a063a9b-81f0-0310-95a4-ce76da25c4cd
IE7: Fix width of the password input field on the about page. see #25603.
Built from https://develop.svn.wordpress.org/trunk@25846


git-svn-id: http://core.svn.wordpress.org/trunk@25758 1a063a9b-81f0-0310-95a4-ce76da25c4cd