手风琴不起作用

Question

我在我的网站上有这个手风琴在电脑上工作正常但是当我减少屏幕时它停止工作并且不会在点击时扩展，我到处都看到了，我不知道为什么会发生这种情况，因为它似乎工作正常中大屏幕。

<div class="well">
    <div class="panel-group resize" id="accordion">

        <asp:Repeater ID="RepeaterSum" runat="server">
            <HeaderTemplate></HeaderTemplate>
            <ItemTemplate>
                <br />
                <div class="panel panel-default resize" style="background-color: #ebe7e7; color: #000000;padding:10px;border-top-left-radius:20px;">
                    <a data-toggle="collapse" data-parent="#accordion" href='<%# "#" + Eval("SumID") %>'>
                        <div class="resize">
                            <h4 class="panel-title resize" style="padding:10px">

                                <asp:Label ID="lblSum" runat="server" ForeColor="#000000" Text='<%# Eval("ProblemStatement") %>'></asp:Label>
                            </h4>
                        </div>
                    </a>
                    <div id='<%# Eval("SumID") %>' class="panel-collapse collapse resize">
                        <div class="panel-body resize" style="background-color:white; padding:10px">
                            <asp:Label ID="lblSolution" runat="server" Text='<%# Eval("Solution") %>'></asp:Label>
                            <br />
                            <br />
                            <h5 style="padding:10px">
                                <asp:Label ID="lblAnswer" runat="server" Text='<%# "Ans.: " + Eval("Answer") %>'></asp:Label>
                            </h5>

                        </div>
                    </div>
                </div>
            </ItemTemplate>
        </asp:Repeater>

    </div>
</div>

  

注意：Accordion包含mathml