JSFiddle - React, Tailwind, and code Playground

HTML

<table class="fx">
        <tbody>
            <tr>
                <th>
                    Email ID
                </th>
                <th>
                    Time Taken to complete game (secs)
                </th>
                <th>
                    Email ID
                </th>
                <th>
                    Time Taken to complete game (secs)
                </th>
            </tr>
        </tbody>
    </table>
    <div id="data" style="valign: top; overflow: auto; min-width:850px; height: 100px; margin-top: 60px;
        padding-top: 0px">
        <table class="data">
            <tbody>
                <tr>
                    <th>
                        asd@gmail.com
                    </th>
                    <th>
                        449
                    </th>
                    <th>
                        asd@gmail.com
                    </th>
                    <th>
                        449
                    </th>
                </tr>
                <tr>
                    <tr>
                        <th>
                            sad@gmail.com
                        </th>
                        <th>
                            449
                        </th>
                        <th>
                            asd@gmail.com
                        </th>
                        <th>
                            449
                        </th>
                    </tr>
                    <tr>
                        <tr>
                            <th>
                                as@gmail.com
                            </th>
                            <th>
                                449
                            </th>
                            <th>
                                asd@gmail.com
                            </th>
                            <th>
                                449
                            </th>
                        </tr>
                       ...

CSS

table tbody
        {
            display: block;
            height: 262px;
            overflow: auto;
        }
        table
        {
            table-layout: fixed;
            height: 100px;
            overflow: auto;
            padding: 0px;
        }
        table tr
        {
            background-color: #F5F5F5;
        }
        table tr:nth-child(odd)
        {
            background-color: #eee;
        }
        table tr:nth-child(even)
        {
            background-color: #F5F5F5;
        }
        table tr td
        {
            padding: 0px;
            width: 200px;
            max-width: 200px;
            word-wrap: break-word;
            height: auto;
            text-align: center;
            color: #5d8d5d;
        }
        .fx
        {
            position: fixed;
            top: 0;
            left: 0;
           min-width:850px;
           width:850px;
        }
        
        .fx tr th
        {
            padding: 10px;
            background-color: #ddd;
            width: 175px;
            min-width: 175px;
            color: #6d4d9d;
            text-align: center;
        }
        
        .data
        {
            margin-top: 0px;
            min-width:850px;
            width:850px;
            left: 0;
        }
        .data tr th
        {
            padding: 10px;
            width: 175px;
            min-width: 175px;
            text-align: center;
        }
        
        div
        {
            position: relative;
        }
        *
        {
            margin: 0;
            padding: 0;
        }