JSFiddle - React, Tailwind, and code Playground

HTML

<table border="1" cellspacing="0" cellpadding="1" width="100%">
        <colgroup>
            <col span="1" style="width:5%">
                <col span="1" style="width:70%">
                    <col span="1" style="width:25%">
        </colgroup>
        <tr>
            <td colspan="2">
                <div style="width:100%; box-shadow: 1px 1px 1px #cfcfcf; border-radius:10px; color:black; border:1px solid #e5e5e5; min-height: 100px;">Sample Text 1</div>
            </td>
            <td rowspan="5" style="vertical-align: top;">
                <section class="loginform" style="overflow-y: scroll;">
                    <fieldset style="border-radius: 5px; padding: 5px;height: 450px; border: solid 1px red;">
                        <legend>Template</legend>
                        <ul style="padding: 10px;">
                            <li>one</li>
                            <li>Two</li>
                            <li>Three</li>
                            <li>Four</li>
                            <li>Five</li>
                            <li>one</li>
                            <li>Two</li>
                            <li>Three</li>
                            <li>Four</li>
                            <li>Five</li>
                            <li>one</li>
                            <li>Two</li>
                            <li>Three</li>
                            <li>Four</li>
                            <li>Five</li>
                            <li>one</li>
                            <li>Two</li>
                            <li>Three</li>
                            <li>Four</li>
                            <li>Five</li>
                            <li>one</li>
                            <li>Two</li>
                            <li>Three</li>
                            <li>Four</li>
                            <li>Five</li>
                        </ul>
                    </fieldset>
                </section>
            </td>
        </tr>
       ...