diff --git a/demos/tabs/bottom.html b/demos/tabs/bottom.html
index 3ae04cf1fb..3417ed94bf 100644
--- a/demos/tabs/bottom.html
+++ b/demos/tabs/bottom.html
@@ -12,15 +12,21 @@
 	<script>
 	$(function() {
 		$( "#tabs" ).tabs();
+
+		// fix the classes
 		$( ".tabs-bottom .ui-tabs-nav, .tabs-bottom .ui-tabs-nav > *" )
 			.removeClass( "ui-corner-all ui-corner-top" )
 			.addClass( "ui-corner-bottom" );
+
+		// move the nav to the bottom
+		$( ".tabs-bottom .ui-tabs-nav" ).appendTo( ".tabs-bottom" );
 	});
 	</script>
 	<style>
-	#tabs { height: 200px; }
-	.tabs-bottom .ui-tabs-nav { position: absolute; left: 0; bottom: 0; right: 0; padding: 0 .2em .2em; }
-	.tabs-bottom .ui-tabs-nav li { top: auto; bottom: 0; margin: 0 .2em 1px 0; border-bottom: auto; border-top: 0 !important; }
+	/* force a height so the tabs don't jump as content height changes */
+	#tabs .tabs-spacer { float: left; height: 200px; }
+	.tabs-bottom .ui-tabs-nav { clear: left; padding: 0 .2em .2em .2em; }
+	.tabs-bottom .ui-tabs-nav li { top: auto; bottom: 0; margin: 0 .2em 1px 0; border-bottom: auto; border-top: 0; }
 	.tabs-bottom .ui-tabs-nav li.ui-tabs-active { margin-top: -1px; padding-top: 1px; }
 	</style>
 </head>
@@ -34,6 +40,7 @@
 		<li><a href="#tabs-2">Proin dolor</a></li>
 		<li><a href="#tabs-3">Aenean lacinia</a></li>
 	</ul>
+	<div class="tabs-spacer"></div>
 	<div id="tabs-1">
 		<p>Proin elit arcu, rutrum commodo, vehicula tempus, commodo a, risus. Curabitur nec arcu. Donec sollicitudin mi sit amet mauris. Nam elementum quam ullamcorper ante. Etiam aliquet massa et lorem. Mauris dapibus lacus auctor risus. Aenean tempor ullamcorper leo. Vivamus sed magna quis ligula eleifend adipiscing. Duis orci. Aliquam sodales tortor vitae ipsum. Aliquam nulla. Duis aliquam molestie erat. Ut et mauris vel pede varius sollicitudin. Sed ut dolor nec orci tincidunt interdum. Phasellus ipsum. Nunc tristique tempus lectus.</p>
 	</div>