fix for https://github.com/opnsense/core/issues/180

src/www/themes/opnsense/assets/stylesheets/bootstrap/_modals.scss

@@ -45,6 +45,7 @@
   position: relative;
   width: auto;
   margin: 52px+10px 10px 10px 10px;
+  z-index:10000;
 }
 
 // Actual modal

src/www/themes/opnsense/build/css/main.css

@@ -4809,7 +4809,9 @@ button.close {
 .modal-dialog {
   position: relative;
   width: auto;
-  margin: 62px 10px 10px 10px; }
+  margin: 62px 10px 10px 10px; 
+  z-index:10000;
+}
 
 .modal-content {
   position: relative;