JSFiddle - React, Tailwind, and code Playground

HTML

<div class="outer">
  <div class="inner"></div>
</div>

CSS

.outer {
  margin: 20px;
  width: 200px;
  box-shadow: 0 0 10px 4px rgba(0, 0, 0, 0.3);
  padding: 10px;
}

.inner {
  height: 200px;
  border: 1px dashed #bde432;
}