ModelPopUp Controls

<asp:LinkButton ID="LinkButton1" runat="server" Text="Click here to change the paragraph style" />
        <asp:Panel ID="Panel1" runat="server" Style="display: none">
            <asp:Panel ID="Panel3" runat="server" CssClass="modalPopup">
                <asp:Panel ID="TitleBar" runat="server" CssClass="modalPopupTitleBar">
                    <asp:Literal ID="Literal1" runat="server" Text="Title here"></asp:Literal>
                </asp:Panel>
                <div>
                    <p>Choose the paragraph style you would like:</p>
   <!-- etc... sample page contents omitted for brevity --->
                </div>
            </asp:Panel>
        </asp:Panel>
        <ajaxToolkit:ModalPopupExtender ID="ModalPopupExtender" runat="server" TargetControlID="LinkButton1"
            PopupControlID="Panel1" BackgroundCssClass="modalBackground" OkControlID="OkButton"
            OnOkScript="onOk()" CancelControlID="CancelButton" DropShadow="True" Drag="True"
            PopupDragHandleControlID="TitleBar" />

.modalPopupTitleBar {
    background-color:Blue;
    border-width:0px;
    border-style:outset;
    border-color:Blue;
    padding:3px;
    height:15px;
    color:White;
    font-weight:bold;
    border-bottom:outset 2px;
}