title: Highlighting invalid form inputs
body: <p>I have been working on creating a form with a set of fields like username, passwords etc.... 
  I want to make validation when the SUBMIT button is clicked.</p>
  
  <p>I'm trying to get alert from my border color. All fields are valid my border must change into Green color If it has any errors it should change to red color.</p>
  
  <p>Any one has any ideas regarding to my problem  </p>
  
  <p>If anyone has any suggestion??</p>