diff --git a/_config.scss b/_config.scss
index c067ea1..a052187 100644
--- a/_config.scss
+++ b/_config.scss
@@ -63,7 +63,8 @@ $basic_link_color: $echo_color;
 $basic_highlight_color: $white;
 $basic_action_color: $foxtrot_color;
 
-$basic_background_color: $medium_gray;
+$default_background_color: $medium_gray !default;
+$basic_background_color: $default_background_color;
 $light_color: lighten($basic_background_color,5%);
 $dark_color: darken($basic_background_color,10%);
 
diff --git a/_hippie.scss b/_hippie.scss
index 26b23a8..036bdd8 100644
--- a/_hippie.scss
+++ b/_hippie.scss
@@ -34,11 +34,12 @@
 
 
 // Global configuration with default values
-// Adjustments can be made by copying values from _default.scss to _config.scss
+// Adjustments can be made by copying values from _config.scss to _override.scss
 // Be careful though changes will get lost if hippie gets updated
 // -----------------------------------------------------------------------------
 @import "default"; // EDIT
 @import "config"; // DO NOT EDIT
+@import "override"; // EDIT
 
 
 
diff --git a/_override.scss b/_override.scss
new file mode 100644
index 0000000..e4b3c48
--- /dev/null
+++ b/_override.scss
@@ -0,0 +1,4 @@
+// Override for configuration file
+// ------------------------------------------------------------------------------
+
+// $default_font_size: 10px;
diff --git a/example.html b/example.html
index 59bf0ce..1172baa 100644
--- a/example.html
+++ b/example.html
@@ -371,9 +371,9 @@
 		<h1>Druck</h1>
 	</div>
 	<script
-  src="https://code.jquery.com/jquery-3.1.1.min.js"
-  integrity="sha256-hVVnYaiADRTO2PzUGmuLJr8BLUSjGIZsDYGmIJLv2b8="
-  crossorigin="anonymous"></script>
+		src="https://code.jquery.com/jquery-3.1.1.min.js"
+		integrity="sha256-hVVnYaiADRTO2PzUGmuLJr8BLUSjGIZsDYGmIJLv2b8="
+		crossorigin="anonymous"></script>
 	<script type="text/javascript">
 		var w = Math.max(document.documentElement.clientWidth, window.innerWidth || 0)
 		var h = Math.max(document.documentElement.clientHeight, window.innerHeight || 0)