Set the asterik (star) mark on the top right of TextBox in ASP.Net

<table>
    <tr>
        <td align="left" id="selectmsg">
            <div id='selectval' class='insideSelect newSelect' style="float: left; font-weight: normal;
                width: 263px !important;">
                <input type="text" style="width: 250px;" />
            </div>
            <div style="float: left;margin:auto; display:table;">
                <span class="requiredfields" style="display: inline-flex !important;">*</span>
            </div>
        </td>
    </tr>
</table>