title: Put icon inside input element in a form
body: <p>How do I put an icon inside a form's input element?</p>
  
  <p><img src="https://i.stack.imgur.com/V0Tjp.png" alt="Screenshot of a web form with three inputs which have icons in them"></p>
  
  <p>Live version at: <a href="http://www.elegantthemes.com/preview/TidalForce/?p=9" rel="noreferrer">Tidal Force theme</a></p>