Paste code

<%@ Page Language="C#" AutoEventWireup="true" CodeFile="MyBasePage.aspx.cs" Inherits="_MyBasePage" %>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

 <html >
<head runat="server">
    <title>MyLoginPage</title>
    <link href="CSS/StyleSheet.css" rel="stylesheet" type="text/css" />
</head>
<body>
    <form id="form1" runat="server">
    <div id="Login">
        <table id="table" cellspacing="15px" cellpadding="15px">
        <tr id="tr">
           <td id="td"><asp:Label ID="Username" 
                       Text="Username"
                       runat="server"
                       CssClass="Username"></asp:Label></td>
            <td id="td"><input id="UsernameTB"
                   name="UsernameTB"
                   type="text"
                   runat="server"
                   value="As created during registration"
                     
                     /></td> 
            <td id="tdLabel"><asp:RequiredFieldValidator ID="ReqUsernameTB"
                                        ErrorMessage="Username cannot be left empty"
                                         C
                                        CssClass="ReqUsernameTB"
                                        runat="server"
                                         SetFocus
                                        Visible="false"></asp:RequiredFieldValidator></td> 
        </tr>
        <tr id="tr">
            <td id="td"><asp:Label ID="Password"
                       Text="Password"
                       runat="server"
                       CssClass="Password"></asp:Label></td>
            <td id="td"><asp:TextBox ID="PasswordTB"
                         runat="server"
                         TextMode="Password"
                         CssClass="PasswordTB"></asp:TextBox></td>
            <td id="tdLabel"><asp:RequiredFieldValidator ID="ReqPasswordTB"
                                        ErrorMessage="Password cannot be left empty"
                                         C
                                        CssClass="ReqPasswordTB"
                                        runat="server"
                                         SetFocus
                                        Visible="false"></asp:RequiredFieldValidator></td> 
        </tr>
        <tr id="tr">    
            <td id="td" colspan="2" align="right"><asp:Button ID="ButttonSignIn"
                        runat="server"
                        Text="Sign In"
                         /></td>
            <td id="tdLabel"><asp:Label ID="LabelSignIn"
                       runat="server"
                       Text=""
                       CssClass="LabelSignIn"/></td>
        </tr>
        </table>
    </div>
    </form>
</body>
</html>