diff --git a/css.nanorc b/css.nanorc
index 3e6b83c..04d4a97 100644
--- a/css.nanorc
+++ b/css.nanorc
@@ -1,7 +1,7 @@
 ## Here is an example for css files.
 ##
 
-syntax "CSS" "\.(css|scss)$"
+syntax "CSS" "\.(css|scss|less)$"
 color brightred     "."
 color brightyellow  start="\{" end="\}"
 color brightwhite   start=":" end="[;^\{]"