diff --git a/.csslintrc b/.csslintrc
new file mode 100644
index 00000000000..5b01fd13cdb
--- /dev/null
+++ b/.csslintrc
@@ -0,0 +1,3 @@
+--errors=errors,duplicate-properties
+--warnings=known-properties,display-property-grouping,empty-rules,important
+--exclude-list=vendor/,lib/editor/tinymce/,lib/yuilib/,theme/bootstrapbase/style/