diff --git a/src/_Grid.sass b/src/_Grid.sass
index 67bff4b..adbcf74 100644
--- a/src/_Grid.sass
+++ b/src/_Grid.sass
@@ -69,6 +69,9 @@
 		&.column-offset-34
 			margin-left: 33.3333%
 
+		&.column-offset-40
+			margin-left: 40%
+
 		&.column-offset-50
 			margin-left: 50%