title: how to set font awesome icon in input tag
body: <p>Here is the code of input tag and icon:</p>
  
  <pre><code>&lt;input type="email" placeholder="Username" id="tutu" required /&gt;
  </code></pre>
  
  <h3>CSS</h3>
  
  <pre class="lang-css prettyprint-override"><code>#tutu{
      border-radius: 3px;
      border: 1px silver solid;
      padding-left: 10px;
      font-weight: bolder;
      color: #bcbcbc;
      height: 40px;
      width: 350px;
  }
  </code></pre>