JSFiddle - React, Tailwind, and code Playground

HTML

<!DOCTYPE html>
<html>
    <head>
    <meta charset="UTF-8">
    <title>Alice 的简单例子</title>
    <link media="all" href="https://a.alipayobjects.com/alice/one/1.2.2/one.css" rel="stylesheet">
    <style>
        .wrapper {
            width: 990px;
            margin: 0 auto;
        }
        h1 {
            font-size: 26px;
        }
        .ui-grid-row {
            margin-bottom: 15px;
        }
    </style>
    </head>

    <body>
    <div class="wrapper">
        <div class="ui-grid-row">
            <div class="ui-grid-25">
                <h1>这是一个简陋的页面</h1>
            </div>
        </div>
        <div class="ui-grid-row">
            <div class="ui-grid-25">
                <div class="ui-nav">
                    <ul class="ui-nav-main">
                        <li class="ui-nav-item">
                        <a href="#">一级导航 1</a>
                        <ul class="ui-nav-submain">
                            <li class="ui-nav-subitem ui-nav-subitem-current"><a href="#">二级导航 1-1</a></li>
                            <li class="ui-nav-subitem"><a href="#">二级导航 1-2</a></li>
                            <li class="ui-nav-subitem"><a href="#">二级导航 1-3</a></li>
                        </ul>
                        </li>
                        <li class="ui-nav-item ui-nav-item-current">
                        <a href="#">一级导航 2</a>
                        <ul class="ui-nav-submain">
                            <li class="ui-nav-subitem"><a href="#">二级导航 2-1</a></li>
                            <li class="ui-nav-subitem ui-nav-subitem-current"><a href="#">二级导航 2-2</a></li>
                            <li class="ui-nav-subitem"><a href="#">二级导航 2-3</a></li>
                        </ul>
                        </li>
                        <li class="ui-nav-item">
                        <a href="#">一级导航 3</a>
                        <ul class="ui-nav-submain">
                            <li class="ui-nav-subitem"><a href="#">二级导航 3-1</a></li>
            ...