css corrupted and contents of the asp repeated its self more than 4 times

when i add the below code from the extended starter kits the content of the default.aspx duplicated and the content page

become not in parellel with master so the layout not adjustable

the code is exact from microsoft site which is :

<div id="content">
   <asp:DataList ID="DataList1" runat="server" 
    DataSourceID="SqlDataSource1">
      <ItemTemplate>
         <h3>Welcome   to My Site</h3>
         <p><%# Eval("Homepage_Welcome")%></p>
         <hr   />
         <div id="whatsnew">
            <h4>What's New</h4>
            <p><%# Eval("Homepage_WhatsNew") %></p>
         </div>
         <div id="coollinks">
            <h4>Cool Links</h4>
            <ul class="link">
            <li><a HREF="http://forums.asp.net/AddPost.aspx?ForumID=1003#" TARGET="_self">Lorem ipsum dolositionr</a></li>
            <li><a HREF="http://forums.asp.net/AddPost.aspx?ForumID=1003#" TARGET="_self">Lorem ipsum dolositionr</a></li>
            <li><a HREF="http://forums.asp.net/AddPost.aspx?ForumID=1003#" TARGET="_self">Lorem ipsum dolositionr</a></li>
            <li><a HREF="http://forums.asp.net/AddPost.aspx?ForumID=1003#" TARGET="_self">Lorem ipsum dolositionr</a></li>
            <li><a HREF="http://forums.asp.net/AddPost.aspx?ForumID=1003#" TARGET="_self">Lorem ipsum dolositionr</a></li>
            </ul>
         </div>
         <hr />
         <h4>What's Up Lately </h4>
         <p><%# Eval("Homepage_WhatsUpLately") %></p>
      </ItemTemplate>
   </asp:DataList>
</div>

pls help me solve this puzzle

Re: css corrupted and contents of the asp repeated its self more than 4 times

its work fine after i copy a new default.aspx page from a new personal starter kit and replace it with not not adjustable one

may ido some thing wrong with default css..any way its work fine now

regard,