Because the media modal can be used on the front-end, the CSS needs to be added here rather than using the notice classes. props paulwilde. fixes #32244. Built from https://develop.svn.wordpress.org/trunk@34990 git-svn-id: http://core.svn.wordpress.org/trunk@34955 1a063a9b-81f0-0310-95a4-ce76da25c4cd