/Html/Table align center not working in github

Table align center not working in github

<table>
  <tbody>
    <tr>
      <td align="center">Key Features<br>
        <span>        </span>
        <span>        </span>
        <span>        </span>
        <span>        </span>
        <span>        </span>
        <span>        </span>
        <span>        </span>    
        <span>  </span>
      </td>
      <td align="center">Examples<br>
        <span>        </span>
        <span>        </span>
        <span>        </span>
        <span>        </span>
        <span>        </span>        
        <span>        </span>
        <span>        </span>
        <span>  </span>
      </td>
      <td align="center">Supported Methods<br>
        <span>        </span>
        <span>        </span>
        <span>        </span>
        <span>        </span>    
        <span>        </span>
        <span>        </span>
        <span>        </span>     
        <span>  </span>        
      </td>
    </tr>
  </tbody>
</table>

Source: stackoverflow.com

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