JSFiddle - React, Tailwind, and code Playground

by Alex Slepenkov

HTML

<div class="wrapper">
<div class="block">

</div>
</div>

CSS

.wrapper{
  width:500px;
  height:300px;
  border:2px solid red;
  border-radius:10px;
}
.block{
    width:300px;
  height:150px;
  border:2px solid red;
  margin:0 auto;
}