Lastpass injects its password-fill icon into password inputs, this shows up awkwardly with the forgot-password button. Adding a white BG hides this.
Followup on #5641
issue #5652, closes#5641
- removes inline errors for empty fields
- separate validation routines for sign-in and forgot password
- highlight fields with errors when trying to submit
No issue. Fixes bug where signin form was not expanding to its full width as a result of some earlier global changes. This sets an explicit fluid width with a max-width fallback so that it's always the correct size.