diff --git a/themes/custom/apigee_kickstart/src/kits/apigee_custom/apigee_custom.info.yml b/themes/custom/apigee_kickstart/src/kits/apigee_custom/apigee_custom.info.yml
index 95a212d1..a0b7441d 100644
--- a/themes/custom/apigee_kickstart/src/kits/apigee_custom/apigee_custom.info.yml
+++ b/themes/custom/apigee_kickstart/src/kits/apigee_custom/apigee_custom.info.yml
@@ -1,7 +1,7 @@
 name: RADIX_SUBTHEME_NAME
 description: A sub-theme of Apigee Kickstart.
 screenshot: screenshot.png
-core_version_requirement: ^8 || ^9
+core_version_requirement: ^10
 type: theme
 base theme: apigee_kickstart
 hidden: true
diff --git a/themes/custom/apigee_kickstart/templates/form/form-element.html.twig b/themes/custom/apigee_kickstart/templates/form/form-element.html.twig
index 4a55a50d..eb04b7a8 100644
--- a/themes/custom/apigee_kickstart/templates/form/form-element.html.twig
+++ b/themes/custom/apigee_kickstart/templates/form/form-element.html.twig
@@ -59,6 +59,7 @@
   disabled == 'disabled' ? 'form-disabled',
   has_errors ? 'form-item--error is-invalid',
   'form-group',
+  'mb-3',
 ]
 %}
 {%