diff --git a/pandora_console/include/javascript/pandora_dashboards.js b/pandora_console/include/javascript/pandora_dashboards.js
index a322dbe4d7..efefaf1195 100644
--- a/pandora_console/include/javascript/pandora_dashboards.js
+++ b/pandora_console/include/javascript/pandora_dashboards.js
@@ -44,12 +44,12 @@ function update_dashboard(data) {
 // eslint-disable-next-line no-unused-vars
 function showGroup() {
   $("#li-group").removeClass("hidden");
-
   var private = $("#private").prop("checked");
-
   if (private) {
+    $("#id_group").removeAttr("required");
     $("#li-group").hide();
   } else {
+    $("#id_group").attr("required", true);
     $("#li-group").show();
   }
 }
diff --git a/pandora_console/include/styles/pandora_black.css b/pandora_console/include/styles/pandora_black.css
index 5c4bfe3e88..ecf0c292dc 100644
--- a/pandora_console/include/styles/pandora_black.css
+++ b/pandora_console/include/styles/pandora_black.css
@@ -649,7 +649,6 @@ form ul.form_flex {
   justify-content: center;
   height: 100%;
   width: 100%;
-  background-color: #222;
 }
 
 .container-layout {
diff --git a/pandora_console/views/dashboard/cell.php b/pandora_console/views/dashboard/cell.php
index 2b16a73316..1ec35ae777 100644
--- a/pandora_console/views/dashboard/cell.php
+++ b/pandora_console/views/dashboard/cell.php
@@ -73,12 +73,22 @@ if ($manageDashboards !== 0) {
 
 $output .= '</div>';
 $output .= '</div>';
-if ($config['style'] === 'pandora') {
-    $options['background'] = '#fff';
-}
+if (empty($options['background']) === true) {
+    if ($config['style'] === 'pandora') {
+        $options['background'] = '#ffffff';
+    }
 
-if ($config['style'] === 'pandora_black') {
-    $options['background'] = '#222';
+    if ($config['style'] === 'pandora_black') {
+        $options['background'] = '#222222';
+    }
+} else if ($options['background'] === '#ffffff'
+    && $config['style'] === 'pandora_black'
+) {
+    $options['background'] = '#222222';
+} else if ($options['background'] === '#222222'
+    && $config['style'] === 'pandora'
+) {
+    $options['background'] = '#ffffff';
 }
 
 if ((int) $cellData['id_widget'] !== 0) {