ISTWCMS-7158: make emergency notification text get proper styling

src/patterns/03-layouts/emergency-notification/emergency-notification.twig

@@ -20,7 +20,9 @@
     {% endif %}
     <div class="emergency-notification__content">
       <div id="block-emergency-notification" class="block block-uw-custom-blocks block-uw-cbl-emergency-notification">
-        {{ emergency_notification.notification }}
+        <div class="emergency-notification__content">
+          {{ emergency_notification.notification }}
+        </div>
       </div>
     </div>
     {%  if pattern_lab %}