Below is corrected HTML
<table bgcolor="#009900" border="0" cellpadding="5" cellspacing="1">
<tr bgcolor="white">
<td>
<table bgcolor="white" style="width: 45px">
<tr>
<td>
<img src="img/images6.jpg" alt="Loan" class="style7" style="width: 80px; height: 80px" />
</td>
</tr>
</table>
</td>
<td>
<table style="width: 259px">
<tr>
<td style="width: 126px">
<asp:label id="lblUserId" runat="server" xmlns:asp="#unknown">UserId </asp:label>
</td>
<td style="width: 116px">
<asp:textbox id="txtUserId" runat="server" width="126px" xmlns:asp="#unknown"> </asp:textbox>
</td>
<tr>
<td style="width: 80px">
<asp:label id="lblPassword" runat="server" xmlns:asp="#unknown">Password </asp:label>
</td>
<td>
<asp:textbox id="txtPassword" runat="server" textmode="Password" width="126px" xmlns:asp="#unknown"> </asp:textbox>
</td>
</tr>
<tr>
<td colspan="7" align="center">
<asp:button id="btnLogin" runat="server" text="Login" width="72px" xmlns:asp="#unknown" />
</td>
</tr>
</tr>
</table>
</td>
</tr>
</table>