<!DOCTYPE html>
<link rel="author" title="Morten Stenshorne" href="mailto:mstensho@chromium.org">
<style>
  .spacer { display:inline-block; width:20px; }
</style>
<p>There should be two good-looking arcs below.</p>
<div style="font-size:40px; line-height:100px;">
  <span style="border:20px solid; border-radius:40px; border-right:none; border-top-right-radius:0; border-bottom-right-radius:0;">
    <span class="spacer"></span></span>
  <br>
  <span style="border:20px solid; border-radius:40px; border-left:non