<!DOCTYPE html>
<html>
<title>Test if subpixel inset shadows paint properly.</title>
<style>
div {
  width: 100px;
  height: 100px;
  background-color: yellow;
}
</style>
</body>
<div style="box-shadow: 1px 2px inset"></div>
<div style="box-shadow: 1.1px 1.9px inset"></div>
<div style="box-shadow: 1.2px 1.8px inset"></div>
<div style="box-shadow: 1.3px 1.7px inset"></div>
<div style="box-shadow: 1.4px 1.6px inset"></div>
<div style="box-shadow: 1.5px 1.5px inset"></div>
</body>
</html>