diff --git a/core/modules/system/css/system.module.css b/core/modules/system/css/system.module.css
index 674f45a..a3a9be2 100644
--- a/core/modules/system/css/system.module.css
+++ b/core/modules/system/css/system.module.css
@@ -283,12 +283,12 @@ tr .ajax-progress-throbber .throbber {
 /* Display form elements horizontally. */
 .form--inline .form-item {
   float: left; /* LTR */
-  margin-right: 0.25em; /* LTR */
+  margin-right: 0.5em; /* LTR */
 }
 [dir="rtl"].form--inline .form-item {
   float: right;
   margin-right: 0;
-  margin-left: 0.25em;
+  margin-left: 0.5em;
 }
 .form--inline .form-actions {
   clear: left; /* LTR */