Index: theme/base/style/core.css
===================================================================
--- theme/base/style/core.css	(revision )
+++ theme/base/style/core.css	(revision )
@@ -15,6 +15,8 @@
 .mdl-left {text-align: left;}
 .dir-rtl,
 .mdl-right {text-align: right;}
+.dir-rtl .mdl-left {text-align:right;}
+.dir-rtl .mdl-right {text-align:left;}
 #add,
 #remove,
 .centerpara,