diff --git a/examples/demo/site/themes/admin/debug.tpl b/examples/demo/site/themes/admin/debug.tpl
new file mode 100644
index 0000000..b689091
--- /dev/null
+++ b/examples/demo/site/themes/admin/debug.tpl
@@ -0,0 +1,38 @@
+{assign name="debug_enabled" value="True"/}
+{if condition="$debug_enabled"}
+<!-- start debug -->
+{literal}
+	<style>
+		div.cms-debug>span {
+			position: absolute;
+			bottom: 5px;
+			right: 5px;
+			color: #ccc;
+			padding: 5px;
+		}
+		div.cms-debug:hover>span {
+			color: red;
+		}
+		div.cms-debug>span+ul {
+			display: none;
+			border: solid 2px red;
+			background-color: #ccc;
+			white-space: pre-wrap;
+		}
+		div.cms-debug:hover>span+ul {
+			display: block;
+			position: relative;
+			bottom: 5px;
+			left: 1%; right: 1%;
+			width: 98%;
+		}
+	</style>
+{/literal}
+<div class="cms-debug"><span>Show debug</span>
+<ul>
+{assign name="kpage" value="page"/}{assign name="kregions" value="regions"/}{foreach key="k" item="i" from="$page.variables"}{unless condition="$k ~ $kpage"}{unless condition="$k ~ $kregions"}<li><strong>{$k/}</strong>={htmlentities}{$i/}{/htmlentities}</li>{/unless}{/unless}
+{/foreach}
+</ul>
+</div>
+<!-- end debug -->
+{/if}