JSFiddle - React, Tailwind, and code Playground

by Imabot

HTML

<div id="margin">
  Customized border
</div>

CSS

body {background-color: LightGray}
div {
  border-width: 6px;
  border-style: solid;
  border-radius: 20px;
  
  background-color: LightBlue;
  padding: 1em;
}