JSFiddle - React, Tailwind, and code Playground

HTML

<div id="site">
    <div id="wikicontent">
         <h3>Testing</h3>

    </div>
    <p>This is some really long text for an example. And I'm still writing an example.This is really looooooooooooooooong. Looooooooooong. This is just an example of the text.</p>
</div>

CSS

#site p {
 margin-left: -625px;
 margin-right: -400px;
}

#wikicontent {
 top: 331px;
 left: 144px;
 position:fixed;
 background: #E0E0E0;
 border-radius: 15px 0px 0px 15px;
 height: 100px;
}

#site {
 border-radius:15px 15px 15px 15px;
 background: #fff;
 width: 1075px;
 margin-left: auto;
 margin-right: auto;
 box-shadow: 0px 0px 15px 0px #000;
 padding: 2px;
 -moz-box-shadow: 0 0 15px 0px #000;
 -webkit-box-shadow: 0 0 15px 0px #000;
}

#site h3 {
 margin-right: 30px;
 margin-left: 30px;
 text-align: left;
}