HTML question

I'd like to Align or place button same row with checkListBox. Currently it goes underneath the row.

 <div class="row">
            <div class="panel">
                <div>

                    <div class="menu">
                        <asp:CheckBoxList ID="chkListBox1" runat="server" RepeatDirection="Horizontal">
                            <asp:ListItem Value="I">I</asp:ListItem>
                            <asp:ListItem Value="II">II</asp:ListItem>
                            <asp:ListItem Value="III">III</asp:ListItem>
                            <asp:ListItem Value="IV">IV</asp:ListItem>
                            <asp:ListItem Value="V">V</asp:ListItem>
                            <asp:ListItem Value="VI">VI</asp:ListItem>
                            <asp:ListItem Value="PC">PC</asp:ListItem>
                        </asp:CheckBoxList>
                     
                            <asp:Button ID="btnGet" runat="server" Text="Get" CssClass="button" OnClick="btnGet_Click" />                         
                            <asp:Label ID="lblMessage" runat="server" Text="" ForeColor="#1585cf"></asp:Label>


                    </div>

                </div>
            </div>

        </div>

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