JSFiddle - React, Tailwind, and code Playground

HTML

<link rel="stylesheet" href="//netdna.bootstrapcdn.com/twitter-bootstrap/2.3.2/css/bootstrap-combined.no-icons.min.css">
<link rel="stylesheet" href="//netdna.bootstrapcdn.com/font-awesome/3.2.1/css/font-awesome.css">

<h3>Title</h3>
          <form name="mail_form" id="mail_form" method="POST" action="">
              <label for="sendto">
              <a href="#"><i class="icon-envelope icon-2x icon-link-mail" style="color:#E4E4E4; text-decoration:none"></i></a>
              <input name="sendto" class="sendto" type="text" style="width: 98%; margin-bottom:10px" placeholder="Send to.." />
              </label>
              <label for="message">
            </form>

CSS

.icon-link-mail { position:relative; left:485px;top:29px; padding: 8px 8px 7px 8px; z-index: 2 }