diff --git a/docs/Doxyfile.in b/docs/Doxyfile.in
index b20091f..56a877c 100644
--- a/docs/Doxyfile.in
+++ b/docs/Doxyfile.in
@@ -1368,7 +1368,7 @@ HTML_EXTRA_FILES       =
 # The default value is: AUTO_LIGHT.
 # This tag requires that the tag GENERATE_HTML is set to YES.
 
-HTML_COLORSTYLE        = AUTO_LIGHT
+HTML_COLORSTYLE        = TOGGLE
 
 # The HTML_COLORSTYLE_HUE tag controls the color of the HTML output. Doxygen
 # will adjust the colors in the style sheet and background images according to