Style inline-error fields and response test
Style inline-error fields and response test

issue #5652
- highlight input border and response text in red

kevinansfield/Ghost-Admin,JohnONolan/Ghost-Admin,kevinansfield/Ghost-Admin,airycanon/Ghost-Admin,dbalders/Ghost-Admin,acburdine/Ghost-Admin,JohnONolan/Ghost-Admin,TryGhost/Ghost-Admin,airycanon/Ghost-Admin,acburdine/Ghost-Admin,TryGhost/Ghost-Admin,dbalders/Ghost-Admin