<!DOCTYPE html>
<meta charset="utf-8" />
<title>Popover ::backdrop pseudo element appearance</title>
<link rel="stylesheet" href="resources/popover-styles.css">

<style>
#bottom { top: 70px; left: 70px; }
#middle { top: 120px; left: 120px; }
#top { top: 170px; left: 170px; }
.fake-popover-backdrop {
  height: 200px;
  width: 200px;
}
#bottom-backdrop {
    top: 50px;
    left: 50px;
    background-color: rgb(0, 50, 0);
}
#middle-backdrop {
    top: 100px;
    left: 100px;
    background-color: rgb(0, 130, 0