diff --git a/layouts/partials/layout/theme.html b/layouts/partials/layout/theme.html
index 390fa73..fe9e6eb 100644
--- a/layouts/partials/layout/theme.html
+++ b/layouts/partials/layout/theme.html
@@ -1,12 +1,13 @@
 <!-- Theme used for presentation -->
 {{- $reveal_location := $.Param "reveal_hugo.reveal_cdn" | default "reveal-js" -}}
 {{- $highlight_location := $.Param "reveal_hugo.highlight_cdn" | default "highlight-js" -}}
-
+{{- $custom_theme := $.Param "reveal_hugo.custom_theme" -}}
 <link rel="stylesheet" href="{{ printf "%s/css/reveal.css" $reveal_location | relURL }}">
 {{- $custom_theme := $.Param "reveal_hugo.custom_theme" -}}
 {{- if $custom_theme -}}
+  {{- $custom_theme_options := $.Param "reveal_hugo.custom_theme_options" | default dict -}}
   {{- if $.Param "reveal_hugo.custom_theme_compile" -}}
-  {{ $asset := resources.Get $custom_theme | toCSS | minify | fingerprint }}
+  {{ $asset := resources.Get $custom_theme | toCSS $custom_theme_options | minify | fingerprint }}
   <link rel="stylesheet" href="{{ $asset.Permalink }}" id="theme">
   {{- else -}}
   <link rel="stylesheet" href="{{ $custom_theme | relURL }}" id="theme">