diff --git a/agaric/css/agaric.css b/agaric/css/agaric.css
index a482717..5d743f9 100644
--- a/agaric/css/agaric.css
+++ b/agaric/css/agaric.css
@@ -7484,16 +7484,16 @@ ion-icon {
   z-index: +400; }
   .is-fixed #logo .logo-color {
     fill: currentColor; }
-  .is-fixed + section,
-  .is-fixed + .floating-tabs + #main-content + section,
-  .is-fixed + .floating-tabs + #main-content + article > section:first-child,
-  .is-fixed + .floating-tabs + #main-content + .node > section:first-child {
+  .is-fixed + div[data-drupal-messages-fallback] + section,
+  .is-fixed + div[data-drupal-messages-fallback] + .floating-tabs + #main-content + section,
+  .is-fixed + div[data-drupal-messages-fallback] + .floating-tabs + #main-content + article > section:first-child,
+  .is-fixed + div[data-drupal-messages-fallback] + .floating-tabs + #main-content + .node > section:first-child {
     padding-top: 3.3125em; }
     @media screen and (min-width: 1024px) {
-      .is-fixed + section,
-      .is-fixed + .floating-tabs + #main-content + section,
-      .is-fixed + .floating-tabs + #main-content + article > section:first-child,
-      .is-fixed + .floating-tabs + #main-content + .node > section:first-child {
+      .is-fixed + div[data-drupal-messages-fallback] + section,
+      .is-fixed + div[data-drupal-messages-fallback] + .floating-tabs + #main-content + section,
+      .is-fixed + div[data-drupal-messages-fallback] + .floating-tabs + #main-content + article > section:first-child,
+      .is-fixed + div[data-drupal-messages-fallback] + .floating-tabs + #main-content + .node > section:first-child {
         padding-top: 5.875em; } }
 
 .toolbar-tray-open.toolbar-horizontal .is-fixed {
diff --git a/agaric/sass/agaric/_component.navbar.scss b/agaric/sass/agaric/_component.navbar.scss
index 3e9ee4f..3084f69 100644
--- a/agaric/sass/agaric/_component.navbar.scss
+++ b/agaric/sass/agaric/_component.navbar.scss
@@ -17,10 +17,10 @@
   #logo .logo-color {
     fill: currentColor;
   }
-  & + section,
-  & + .floating-tabs + #main-content + section,
-  & + .floating-tabs + #main-content + article > section:first-child,
-  & + .floating-tabs + #main-content + .node > section:first-child {
+  & + div[data-drupal-messages-fallback] + section,
+  & + div[data-drupal-messages-fallback] + .floating-tabs + #main-content + section,
+  & + div[data-drupal-messages-fallback] + .floating-tabs + #main-content + article > section:first-child,
+  & + div[data-drupal-messages-fallback] + .floating-tabs + #main-content + .node > section:first-child {
     padding-top: 3.3125em;
     @include desktop {
       padding-top: 5.875em;