APSX/HTML

<div id="tablediv" style="width:100%; height:100%; overflow-y:hidden; overflow-x:auto">
    <div style="display:table;">
        <div style="display:table-row; height:10%;">
            <div id="menudv_cell" style="display:table-cell;"></div>
            <div id="menusr_cell" style="display:table-cell;"></div>
        </div>
    </div>
    <div style="display:table">
        <div style="display:table-row;">
            <div id="cell_img" style="display:table-cell;">
                <div id="pnlDirectPicture" class="divView" style=" height:calc(100vh - 87px); overflow-y:auto;" runat="server"></div>
            </div>
            <div id="cell_stamp" style="display:table-cell; vertical-align:top; width:100%">
                <asp:TabContainer runat="server" ID="Tabs" ActiveTabIndex="0" CssClass="Tab" OnClientActiveTabChanged="clientActiveTabChanged">
                    <asp:TabPanel runat="server" ID="Panel1" HeaderText="STEMPEL">
                        <ContentTemplate></ContentTemplate>
                    </asp:TabPanel>
                    <asp:TabPanel runat="server" ID="Panel2" HeaderText="VORKONTIERUNG">
                        <ContentTemplate></ContentTemplate>
                    </asp:TabPanel>
                </asp:TabContainer>
            </div>
        </div>
    </div>
</div>