custom css style for admin and login pages added

git-svn-id: https://plugins.svn.wordpress.org/admin-customizer/trunk@799524 b8457f37-d9ea-0310-8a92-e5e31aec5664
tag update in plugin file

git-svn-id: https://plugins.svn.wordpress.org/admin-customizer/trunk@799525 b8457f37-d9ea-0310-8a92-e5e31aec5664