diff --git a/css/base.less b/css/base.less
index 5494a9c..8aa4e35 100755
--- a/css/base.less
+++ b/css/base.less
@@ -27,9 +27,12 @@
 @color-link:             __existing__;
 @color-link-hover:       @color-nav;
 
-@box-shadow-offset:     __box_shadow_offset__;
-@box-shadow:            __box_shadow__;
-@box-shadow-colored:    __box_shadow_colored__;
+@button_color:           __button_color__;
+@button_background:      __button_background__;
+
+@box-shadow-offset:      __box_shadow_offset__;
+@box-shadow:             __box_shadow__;
+@box-shadow-colored:     __box_shadow_colored__;
 
 
 /* + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + */