HIDE/SHOW password: As you can see there is no hide or show passwor button and by default it is set hide password.
Error:- the error symbol appears where it is wrong or input is empty when user clicks login button.
correct:- the tick symbol appears when user clicks the login button 1 by one to show loading process.
login button: if login button is clicked and there is an error the button turns into a red sad face showing error,if it is right it turns into green smiley face showing youre good to go