<!DOCTYPE html><!-- webkit-test-runner [ enableAttachmentElement=true ] -->
<html>
<style>
div {
    width: 300px;
    height: 300px;
}
</style>
<body>
    <div style="background-color: -apple-system-blue;"><attachment action=" "></attachment></div>
    <div style="background-color: -apple-system-green;"><attachment action=" "></attachment></div>
</body>
</html>