<style>
.container {
  -webkit-line-clamp: 1;
  -webkit-box-orient: vertical;
  display: -webkit-box;
  overflow: hidden;
}
.content {
 margin-bottom: 50px;
}
</style>
<div class=container><div><div class=content>PASS if<br>this content is not visible</div></div>
