Apply 'direction: rtl;' once

src/css/_base.scss

@@ -100,6 +100,7 @@ body .root .content.theme {
  * RTL languages
  */
 body .root .content.theme.rtl {
+  direction: rtl;
   header a[data-testid="h1"] {
     font-family: "Cairo Bold";
   }

src/css/themes/blue.scss

@@ -1,7 +1,3 @@
-.root .content.theme.blue.rtl {
-  direction: rtl;
-}
-
 .root .content.theme.blue {
   --primary-color: #3383C3;
   --secondary-color: #FFF;

src/css/themes/green.scss

@@ -1,7 +1,3 @@
-.root .content.theme.green.rtl {
-  direction: rtl;
-}
-
 .root .content.theme.green {
   --primary-color: #6d765b;
   --secondary-color: #FFF;