<!DOCTYPE html>
<link rel="help" href="http://crbug.com/1197946">
<style>
legend {
  position: sticky;
  left: -1em;
}
fieldset {
  position: sticky;
  left: -1em;
  overflow-y: auto;
}
</style>
<fieldset>
<legend>Legend</legend>
</fieldset>
