address issue of row state classes having to be nested

src/_Grid.sass

@@ -21,10 +21,10 @@
 	padding: 0
 	width: 100%
 
-	.row-wrap
+	&.row-wrap
 		flex-wrap: wrap
 
-	.row-no-padding
+	&.row-no-padding
 		padding: 0
 
 		&> .column
@@ -36,19 +36,19 @@
 
 	// Vertically Align Columns
 	// .row-* vertically aligns every .col in the .row
-	.row-top
+	&.row-top
 		align-items: flex-start
 
-	.row-bottom
+	&.row-bottom
 		align-items: flex-end
 
-	.row-center
+	&.row-center
 		align-items: center
 
-	.row-stretch
+	&.row-stretch
 		align-items: stretch
 
-	.row-baseline
+	&.row-baseline
 		align-items: baseline
 
 	.column