More specific CSS for the dashboard activity widget.

props iammattthomas.
see #26028.

Built from https://develop.svn.wordpress.org/trunk@26175


git-svn-id: http://core.svn.wordpress.org/trunk@26084 1a063a9b-81f0-0310-95a4-ce76da25c4cd
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.


Built from https://develop.svn.wordpress.org/trunk@26176


git-svn-id: http://core.svn.wordpress.org/trunk@26085 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Move the responsive padding for html.wp-toolbar to wp-admin.css since it affects the page content, not the toolbar.
Built from https://develop.svn.wordpress.org/trunk@26177


git-svn-id: http://core.svn.wordpress.org/trunk@26086 1a063a9b-81f0-0310-95a4-ce76da25c4cd
In multisite, set storage space labels to nowrap to prevent unnecessary line breaks. Fixes #25919, props SergeyBiryukov.
Built from https://develop.svn.wordpress.org/trunk@26178


git-svn-id: http://core.svn.wordpress.org/trunk@26087 1a063a9b-81f0-0310-95a4-ce76da25c4cd