JSFiddle - React, Tailwind, and code Playground

HTML

<h3>
  Adressen
</h3>
<div>

</div>

CSS

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  margin: 10px;
}

div {
  width: 100%;
  height: 250px;
  border: 3px solid lightgrey;
  margin-top: 20px;
}

h3 {
  position: relative;
  top: -10px;
  background: white;
  float: left;
  clear: left;
  padding: 0px 15px 0px 3px;
}