my email sign

sign.html

<table cellpadding="0" cellspacing="0" border="0" style="background: none; border-width: 0px; border: 0px; margin: 0; padding: 0;">
  <tr>
    <td colspan="2" style="padding-bottom: 4px; color: #F7751F; font-size: 16px; font-family: Arial, Helvetica, sans-serif;">Luca Rinaldi</td>
  </tr>
  <tr>
    <td colspan="2" style="color: #333333; font-size: 14px; font-family: Arial, Helvetica, sans-serif;"><i>Computer Science & Networking Student</i></td>
  </tr>
  <tr>
    <td colspan="2" style="color: #333333; font-size: 14px; font-family: Arial, Helvetica, sans-serif;">
      <strong>University of Pisa and Scuola Superiore  Sant'Anna</strong>
    </td>
  </tr>
  <tr>
    <td width="20" valign="top" style="vertical-align: top; width: 20px; color: #F7751F; font-size: 14px; font-family: Arial, Helvetica, sans-serif;">w:</td>
    <td valign="top" style="vertical-align: top; color: #333333; font-size: 14px; font-family: Arial, Helvetica, sans-serif;"><a href="http://lucar.in" style=" color: #1da1db; text-decoration: none; font-weight: normal; font-size: 14px;">lucar.in</a>&nbsp;&nbsp;
      <span style="color: #F7751F;">e:&nbsp;</span><a href="mailto:[email protected]" style="color: #1da1db; text-decoration: none; font-weight: normal; font-size: 14px;">[email protected]</a></td>
  </tr>
  <tr>
    <td colspan="3" style="padding-top: 3px;">
      <a href="https://www.linkedin.com/in/lucarin91" style="border-width:0px; border:0px; text-decoration: none;">
        <img width="20" height="20" style="border: none; width: 20px; max-width: 20px !important; height: 20px; max-height: 20px !important;" src="https://s3.amazonaws.com/rkjha/signature-maker/icons/linkedin_circle_color-20.png">
      </a>
      <a href="https://github.com/lucarin91" style="border-width:0px; border:0px; text-decoration: none;">
        <img width="20" height="20" style="border: none; width: 20px; max-width: 20px !important; height: 20px; max-height: 20px !important;" src="https://s3.amazonaws.com/rkjha/signature-maker/icons/github_circle_black-20.png">
      </a>
      <a href="https://twitter.com/lucarin91" style="border-width:0px; border:0px; text-decoration: none;">
        <img width="20" height="20" style="border: none; width: 20px; max-width: 20px !important; height: 20px; max-height: 20px !important;" src="https://s3.amazonaws.com/rkjha/signature-maker/icons/twitter_circle_color-20.png">
      </a>
    </td>
  </tr>
</table>