JSFiddle - React, Tailwind, and code Playground

HTML

<div class="container">
   Lorem ipsum dolor sit amet, consectetur adipisicing elit. Dolor, exercitationem?
   <button>
     click it
   </button>
   <input type="text">
</div>

CSS

.container {
  width: 200px;
  height: 200px;
  border: 1px solid black;
  background-color: #151515;
  margin: 20px auto;
  position: relative;
  color: white;
  
  -webkit-box-reflect: below;
}

.container::after {
  content: '';
  width: 100px;
  height: 100px;
  display: inline-block;
  background-color: red;
  position: absolute;
  z-index: -1;
  top: 0;
  left: 0;
}