Hide / Show Password: User can click the eye icon to "show password".If again clicked the line is displayed on the eye icon which imples "not to show password". By Default it should be not to show password at first.
Register: The arrow button simplifies to register the account and move on..
Loading: when the user clicks in the arrow button the user profile icon turns to blue and 4 circles come and rotate the icon to simplify loading(shown in 2nd pic)
Green: After loading if all input are filled correctly then the user profile icon turns to tick filled with green(show in third pic) and the the page moves to mifos home page
Red: If any one of the input is empty then the user profile icon turns to red and showes the error (shown in 4th pic)
Sign in: there is a sign in with an line below it located in at end of the frame.if user clicks it page move on to sign in page