JSFiddle - React, Tailwind, and code Playground

HTML

<div id="container">
<div id="content1"></div>
<div id="content2"></div>
</div>

CSS

#content1 {
width:1240px;
height:1024px;}

#content2 { border: 1px solid #000;
    border-radius: 50%;
    width: 50%;
    height: 100%;
    position:absolute;
    margin-left:25%;
   

}