JSFiddle - React, Tailwind, and code Playground

by Rich Costello

HTML

<div id="main">
    <div class="top left"></div>
    <div class="top right"></div>
    <div class="bottom left"></div>
    <div class="bottom right"></div>
</div>

CSS

#main {
    margin: 40px;
    height: 200px;
    background-color: #4a4a4a;
    position: relative;
    overflow: hidden;
}

#main div {
    position: absolute;
    width: 20px;
    height: 20px;
    border-radius: 100%;
    background-color: #FFF;
}

.top { top: -10px; }
.bottom { bottom: -10px; }
.left { left: -10px; }
.right { right: -10px; }