JSFiddle - React, Tailwind, and code Playground

HTML

<h1>Title</h1>

CSS

h1 {
  text-align: center;
  display: flex;
  flex-direction: row;
  justify-content: center;
 }

h1:before, 
h1:after {
  flex-grow: 1;
  height: 1px;
  content: '\a0';
  background-color: #ddd;
  position: relative;
  top: 0.5em;
}

h1:before {
  margin-right:10px;
}

h1:after {
  margin-left:10px;
}