JSFiddle - React, Tailwind, and code Playground

by halflling

HTML

<div class="top">
    <div class="circle">+</div>
</div>

CSS

.top
{
    border-style: solid;
    border-width: 1px;
    width: 300px;
    height: 200px;
}

.circle
{
    background: lightgreen;
    width:30px;
    height: 30px;
    border-radius:30px;
    text-align: center;
}