diff --git a/assets/app/widgets/slide/template.hbs b/assets/app/widgets/slide/template.hbs
index ad5c206..6f67725 100644
--- a/assets/app/widgets/slide/template.hbs
+++ b/assets/app/widgets/slide/template.hbs
@@ -1,2 +1,4 @@
-<div class="copy"></div>
-<pre><code class="language-javascript"></code></pre>
+<div class="slide-{{id}}">
+  <div class="copy"></div>
+  <pre><code class="language-javascript"></code></pre>
+</div>