hack to fix spinner for firefox

app/rest/templates/trend.tpl

@@ -62,6 +62,13 @@ div.progress:has(+ .done) label:after {
 % if end:
     </div>
     <div class="done"></div>
+    <!-- firefox doesn't support :has() css -->
+    <style>
+div.loader-container {
+  display: none;
+}
+    <!-- -->
+    </style>
 {{!form}}
 {{!svg}}
     </body>