Add makefile target for quick recompilation of style.css
diff --git a/Makefile b/Makefile
index f62fca7..788be42 100644
--- a/Makefile
+++ b/Makefile
@@ -10,3 +10,6 @@
 
 pygments:
 	pygmentize -S ${STYLE} -f html > ./static/css/pygments.css
+
+style:
+	lessc static/css/style.less > static/css/style.css