diff --git a/core/themes/classy/css/components/container-inline.css b/core/themes/classy/css/components/container-inline.css
index 785e4de..5c1bc5a 100644
--- a/core/themes/classy/css/components/container-inline.css
+++ b/core/themes/classy/css/components/container-inline.css
@@ -3,15 +3,16 @@
  * Inline items.
  */
 
-.container-inline label:after,
+.container-inline label:not(.option):after,
 .container-inline .label:after {
   content: ':';
 }
-.form-type-radios .container-inline label:after {
-  content: '';
+.container-inline .form-type-radio {
+  margin-right: 1em; /* LTR */
 }
-.form-type-radios .container-inline .form-type-radio {
-  margin: 0 1em;
+[dir="rtl"] .container-inline .form-type-radio {
+  margin-right: 0;
+  margin-left: 1em;
 }
 .container-inline .form-actions,
 .container-inline.form-actions {