<!DOCTYPE html>
<meta charset="utf-8">
<title>CSS-Pseudo testcase: first-line</title>
<style>
  span { line-height: 0px; color: purple }
  div { line-height: 40px; border: 1px solid black; margin-top: 20px; }
</style>
Test passes if the two blocks look identical.
<div>
  <span>This is a first line.</span><br>
  This is a second line.
</div>
<div>
  <span>This is a first line.</span><br>
  This is a second line.
</div>
