JSFiddle - React, Tailwind, and code Playground

HTML

<body>
    <form id="form1" runat="server">
        <div id="wrapper" style="width: 900px; margin: 0 auto;">
            <div id="menu">
                <ul>
                    <li>
                        <a href="#">回首頁</a>
                    </li>
                    <li><a href="#">我的訂單</a>
                        <ul>
                            <li><a href="#">我要開單</a></li>
                            <li><a href="#">訂購紀錄</a></li>
                        </ul>
                    </li>
                    <li><a href="#">店家菜單</a>
                        <ul>
                            <li><a href="#">菜單列表</a></li>
                            <li><a href="#">新增菜單</a></li>
                        </ul>
                    </li>
                </ul>

            </div>
            <asp:ContentPlaceHolder ID="ContentPlaceHolder1" runat="server">
            </asp:ContentPlaceHolder>
        </div>
    </form>
</body>