* Include `forms.css` and `l10n.css`, for consistency with login screen and other admin screens.
* Remove redundant `@import` directives from `login.css` for files already declared as dependencies.
* Adjust margin on password strength meter for consistency with other fields.
* Increase font size for "You will need this password to log in" notice.
* Fix misaligned icon on "Hide" button for the password.
Props iseulde, dan@micamedia.com, bassgang, cdog, johnbillion, nmenescardi, mukesh27, SergeyBiryukov.
Fixes#35776, #47757, #47758.
git-svn-id: https://develop.svn.wordpress.org/trunk@45673 602fd350-edb4-49c9-b593-d223f7449a82