JSFiddle - React, Tailwind, and code Playground

HTML

<div class="outer">
  <div class="inner">
      <p>Some content</p>
  </div>    
</div>

CSS

.outer {
	box-sizing: border-box;
    overflow: auto;
    margin: 0px;
    padding-right: 0px;
    background-color: blue;
   
}
.inner {
    
    box-sizing: border-box;
    min-width: 400px;
    margin: 5px;
    margin-right: 50px;
    color: white;
    padding: 20px;
    background-color: green;
}