diff --git a/elements/_grouping.scss b/elements/_grouping.scss
index e5aab7c..dba0a55 100644
--- a/elements/_grouping.scss
+++ b/elements/_grouping.scss
@@ -68,6 +68,19 @@ hr {
 	border-style: solid;
 	border-color: config.$color_border_basic;
 
+	&.hidden {
+		border-color: transparent;
+	}
+
+	&.dotted {
+		border-style: dotted;
+	}
+
+	&.double {
+		height: 4px;
+		border-width: config.$width_border_basic 0;
+	}
+
 	&.vertical {
 		display: inline;
 		margin: 0 config.$space_double;
@@ -75,22 +88,6 @@ hr {
 	}
 }
 
-.hr_hidden {
-	@extend hr;
-	border-color: transparent;
-}
-
-.hr_dotted {
-	@extend hr;
-	border-style: dotted;
-}
-
-.hr_double {
-	@extend hr;
-	height: 4px;
-	border-width: config.$width_border_basic 0;
-}
-
 // Preformat
 // -----------------------------------------------------------------------------
 pre {