<!DOCTYPE html>
<html lang="en">
 <!--								<![CDATA[

   popup example from
   https://www.geeksforgeeks.org/how-to-create-popup-box-using-html-and-css/
								]]>
 -->
 <head>
  <meta charset="UTF-8" />
  <meta
    name="viewport"
    content="width=device-width, initial-scale=1.0"
  />
  <style>							/* <![CDATA[ */
	.box
	{
		background-color: black;
		height: 100vh;
		display: flex;
		align-items: center;
		justify-content: center;
	}
	p
	{
		font-size: 17px;
		align-items: center;
	}
	.box a
	{
		