JSFiddle - React, Tailwind, and code Playground

by bgrins

HTML

<div class="checker-background">
    <div class="checker-foreground"></div>
</div>

CSS

.checker-background {
  background-color: #eee;
  background-image: linear-gradient(45deg, #ccc 25%, transparent 25%, transparent 75%, #ccc 75%, #ccc),
    linear-gradient(45deg, #ccc 25%, transparent 25%, transparent 75%, #ccc 75%, #ccc);
  background-size: 12px 12px;
  background-position: 0 0, 6px 6px;
  display: inline-block;
    border-radius: 50%;
}
.checker-foreground {
  background-color: rgba(255, 0, 0, .3);
    width: 40px;
    height: 40px;
    border-radius: 50%;
}