JSFiddle - React, Tailwind, and code Playground

HTML

<html><head><title>Nesting</title></head><body>
    
    <style type="text/css">
        .even td, .even th {
            background-color: yellow;
        }
        .odd td, .odd th {
            background-color: red;
        }
    </style>
    
    <table width="100%">
        <tr class="even">
            <th>Test</th>
            <td>Test</td>
        </tr>
        <tr class="odd">
            <th>Test</th>
            <td>Test</td>
        </tr>
        <tr class="even">
            <th>Test</th>
            <td>Test</td>
        </tr>
        <tr class="odd">
            <th>Test</th>
            <td>
            
                <table width="100%">
                    <tr class="even">
                        <th>Test</th>
                        <td>Test</td>
                    </tr>
                    <tr class="odd">
                        <th>Test</th>
                        <td>Test</td>
                    </tr>
                    <tr class="even">
                        <th>Test</th>
                        <td>Test</td>
                    </tr>
                    <tr class="odd">
                        <th>Test</th>
                        <td>
                        
                            <table width="100%">
                                <tr class="even">
                                    <th>Test</th>
                                    <td>Test</td>
                                </tr>
                                <tr class="odd">
                                    <th>Test</th>
                                    <td>Test</td>
                                </tr>
                                <tr class="even">
                                    <th>Test</th>
                                    <td>Test</td>
                                </tr>
                                <tr class="odd">
                                    <th>Test</th>
                                    <td>Test</td>
                      ...