JSFiddle - React, Tailwind, and code Playground

HTML

<html>
    <head>
        <title>Test</title>
    </head>
    <body>
        <div>Spacer text for Jsfiddle<br /><br /></div>
        <div id='bigBox'>
            <div id='rightBox'>
                <a href='#'>Test</a>
            </div>
            <div class='content'>Content1</div>
            <div class='content'>Content2</div>
            <div class='content'>Content3</div>
            <div style='clear: both;'></div>
        </div>
    </body>
</html>

CSS

#bigBox
{
    border: 1px solid black;
}

#rightBox
{
    background-color: green;
    width: 25px;
    height: 25px;
    float: right;
    margin: .5em;
    padding: .5em;
}

.content
{
    position: relative;
}