JSFiddle - React, Tailwind, and code Playground

HTML

<section>
<div class="attempt">

</div>
<div>
    <ul id="menu">
        <li><a style="background:#3F4E64" href="/html/default.asp">Button1</a></li>
        <li><a style="background:#788291">Button2</a></li>
    </ul>
</div>

<div>
    <H2>TITLE</H2>
    <p>
        BADKADA
    </p>
    <p>
        Fusce luctus ipsum in dui accumsan, posuere scelerisque lacus ultrices. Quisque quis ultricies nunc. Nam augue magna, eleifend id mi vel, pretium
    </p>
    <p>
        Fusce luctus ipsum in dui accumsan, posuere scelerisque lacus ultrices. Quisque quis ultricies nunc. Nam augue magna, eleifend id mi vel, pretium
    </p>

    <p>
        Fusce luctus Fusce luctus ipsum in dui accumsan, posuere scelerisque lacus ultrices. Quisque quis ultricies nunc. Nam augue magna, eleifend id mi vel, pretium fring.
    </p>
</div>

<div>
    <H2>TITLE2</H2>
    <p>
        BADKADA
    </p>
    <p>
        Fusce luctus ipsum in dui accumsan, posuere scelerisque lacus ultrices. Quisque quis ultricies nunc. Nam augue magna, eleifend id mi vel, pretium
    </p>
    <p>
        Fusce luctus ipsum in dui accumsan, posuere scelerisque lacus ultrices. Quisque quis ultricies nunc. Nam augue magna, eleifend id mi vel, pretium
    </p>

    <p>
        Fusce luctus Fusce luctus ipsum in dui accumsan, posuere scelerisque lacus ultrices. Quisque quis ultricies nunc. Nam augue magna, eleifend id mi vel, pretium fring.
    </p>
</div>
</section>

CSS

section {
  display: table;
}

.attempt {
    display:table-cell;
	width: 15px;
    
    background: #3F4E64;
	margin-right:20px;
}
section div{display:table-cell;}