JSFiddle - React, Tailwind, and code Playground

HTML

<div class="text boxing">
          <h1>TXT A responsive site template by HTML5 UP</h1>
</div>

CSS

.text {
  margin-top: 50px;
  position: relative;
  text-align: center;
  display: inline-block;
  border-top: solid 5px #e7eae8;
}
.boxing {
  margin-left: auto;
  margin-right: auto;
  width: 1100px;
}