Popup: Re-add button that opens popup alignment demo

Fixes gh-7144

Author: Gabriel Schulhof

demos/popup-alignment/index.php

@@ -32,17 +32,10 @@
 	opacity: 0.8;
 }
 #open-alignment-example {
-	position: absolute;
-	width: 3em;
-	min-width: 3em;
-	max-width: 3em;
-	height: 1.2em;
-	min-height: 1.2em;
-	max-height: 1.2em;
-	margin-left: -1.5em;
-	margin-top: -0.6em;
+	position: relative;
 	left: 50%;
-	top: 50%;
+	width: 6em;
+	margin-left: -3em;
 	background-color: #ffa0a0;
 	border-color: black;
 }
@@ -73,6 +66,7 @@
 				</form>
 			</div>
 		</div>
+		<a href="#alignment-example" id="open-alignment-example" data-rel="popup" role="button" class="ui-btn ui-corner-all ui-shadow ui-btn-inline">Open Popup</a>
 	</div><!-- /content -->
 
 	<?php include( '../jqm-navmenu.php' ); ?>