Move #wpadminbar responsive styles from wp-admin.css to admin-bar.css. Remove unneeded font overrides and !importants where possible. Make sure the site menu item uses the globe icon consistently instead of switching to the home icon <782px. Fixes #25971.



git-svn-id: https://develop.svn.wordpress.org/trunk@26176 602fd350-edb4-49c9-b593-d223f7449a82