<style>
h1, span, div, a {
  line-height: 100%;
  overflow: hidden;
  color: black;
  background-color: #AAAAAA;
  font-size: 50px;
  text-decoration: none;
}
</style>

<h1>Testing: gjpqy</h1>
<a href="#">gjpqy testing</a><br><br>
<div>gjpqy testing</div><br>
<span>gjpqy testing</span>