diff --git a/layouts/partials/head.html b/layouts/partials/head.html
index 960011dbc..4a69a2382 100644
--- a/layouts/partials/head.html
+++ b/layouts/partials/head.html
@@ -2,8 +2,10 @@
{{ partial "head/general" . }}
{{ with $.Params.slide }}
-
-
+ {{ $cssMain := relURL "/revealjs-v3.9.2/css/reveal.css" }}
+ {{ $cssTheme := relURL "/revealjs-v3.9.2/css/theme/white.css" }}
+
+
{{ else }}