JSFiddle - React, Tailwind, and code Playground

HTML

<div class="container">
   			<h1> nonono </h1>
   		</div>
      <br />
      <br />
   		<div class="container2">
        <hr/>      
   			<h1> nonono </h1>
   		</div>

CSS

.container {
	border-bottom: 2px solid;
  overflow-x: visible;
  height: 1.5em;
}

h1 {
	border: 1px solid #7788BB;
  display: inline;
  margin-left: 1em;
  padding: 2px;
  background-color: #3AF;
}

hr {
  margin-top: 1.5em;
  border: 1px solid #111;
  position: absolute;
  width: 100%;
  z-index: 1;
}