asp.net中的母板页中占位符所占的空间大小怎么修改

这是占位符内的代码
<asp:Content ID="Content2" ContentPlaceHolderID="ContentPlaceHolder1" Runat="Server">
    <form id="form1" runat="server">
    <p> <img alt="" src="image/03.gif" /></p>
    <div id="xing1">
        <p class="xin1">星心诗意</p>
        <p class="xin2">
            <asp:Button ID="Button1" runat="server" Text="快乐作文"
                BorderStyle="None" BackColor="#FDB746" onclick="Button1_Click" /></p>
        <p class="xin3">
            <asp:Button ID="Button2" runat="server" Text="创意旋律"
                BorderStyle="None" BackColor="#FDB746" onclick="Button2_Click" /></p>
        <p class="xin3">
            <asp:Button ID="Button3" runat="server" Text="七彩天空"
                BorderStyle="None" BackColor="#FDB746" onclick="Button3_Click" /></p>
        <p class="xin3">
            <asp:Button ID="Button4" runat="server" Text="个人专辑"
                BorderStyle="None" BackColor="#FDB746" onclick="Button4_Click" /></p>      
    </div>
  <%--右边部分--%>
    <div id="xing2">
      <p style=" font-size:13px;">&nbsp;&nbsp;当前位置&nbsp;:&nbsp;&nbsp;<a href="Default.aspx" style="color:Black">首页</a>&nbsp;>>&nbsp;星心诗意</p>
        <img alt="" src="image/xxfc_05.gif"width="756"/><br />
        <ContentTemplate>
                 <div style="width:730px; height:180px;">
            <div class="xin4"><img alt="更多" src="image/more6.jpg" style=" margin-left:670px" /></div>
            <asp:Repeater ID="Repeater1" runat="server">
                <ItemTemplate>
                 <p style="font-size:13px; padding-left:5px; width:95%"><a href="" style=" color:Black;">
                    <span style=" float:right; clear:none;"><%#DataBinder.Eval(Container.DataItem, "time")%></span>
                    <%#DataBinder.Eval(Container.DataItem, "title")%></a>
                    </p>
                </ItemTemplate>
            </asp:Repeater>
        </div>
        <div style="width:730px; height:180px;">
            <div class="xin5"><img alt="更多" src="image/more6.jpg" style=" margin-left:670px" /></div>
            <asp:Repeater ID="Repeater2" runat="server">
                <ItemTemplate>
                 <p style="font-size:13px; padding-left:5px; width:95%"><a href="" style=" color:Black;">
                    <span style=" float:right; clear:none;"><%#DataBinder.Eval(Container.DataItem, "time")%></span>
                    <%#DataBinder.Eval(Container.DataItem, "title")%></a>
                    </p>
                </ItemTemplate>
            </asp:Repeater>
        </div>
         </form>
</asp:Content>
本来该在站位符下面的一些超链接浮动到了站位符内右面的区域里了