JSFiddle - React, Tailwind, and code Playground

HTML

<div class="block">

  <div class="item"></div>

</div>

CSS

.block {
  width: 300px;
  height: 300px;
  margin: auto;
  background: #999;
}

.item {
  width: 100%;
  height: 100px;
  padding-right: 50px;
  background: #f005;
  
}