diff --git a/docusaurus.config.js b/docusaurus.config.js
index e49bbc8..830a02d 100644
--- a/docusaurus.config.js
+++ b/docusaurus.config.js
@@ -81,24 +81,24 @@ const config = {
     /** @type {import('@docusaurus/preset-classic').ThemeConfig} */
     ({
       navbar: {
-        // title: 'OpenAIRE Documentation',
+        title: 'documentation',
         logo: {
           alt: 'OpenAIRE',
           src: 'img/logo.png',
         },
         items: [
-          {
-            type: 'doc',
-            docId: 'intro',
-            position: 'left',
-            label: 'Research graph v5.0',
-          },
+          // {
+          //   type: 'doc',
+          //   docId: 'intro',
+          //   position: 'left',
+          //   label: 'Research graph v5.0',
+          // },
           // 
           // documentation version in the navbar
-          // {
-          //   type: 'docsVersionDropdown', 
-          //   position: 'right'
-          // },
+          {
+            type: 'docsVersionDropdown', 
+            position: 'right'
+          },
           // 
           // link to blog, the blog must be enabled first
           // {to: '/blog', label: 'Blog', position: 'left'},
diff --git a/src/css/custom.css b/src/css/custom.css
index 27cefe3..69d24a8 100644
--- a/src/css/custom.css
+++ b/src/css/custom.css
@@ -34,28 +34,32 @@
 */
 
 :root {
-  --ifm-color-primary: #4666ca;
-  --ifm-color-primary-dark: #3757be;
-  --ifm-color-primary-darker: #3353b4;
-  --ifm-color-primary-darkest: #2a4494;
-  --ifm-color-primary-light: #5b77d0;
-  --ifm-color-primary-lighter: #6680d3;
-  --ifm-color-primary-lightest: #859adc;
+  --ifm-color-primary: #e6122e;
+  --ifm-color-primary-dark: #cf1029;
+  --ifm-color-primary-darker: #c30f27;
+  --ifm-color-primary-darkest: #a10d20;
+  --ifm-color-primary-light: #ee233e;
+  --ifm-color-primary-lighter: #ef2f48;
+  --ifm-color-primary-lightest: #f15166;
   --ifm-code-font-size: 95%;
   --docusaurus-highlighted-code-line-bg: rgba(0, 0, 0, 0.1);
 }
 
 [data-theme='dark'] {
-  --ifm-color-primary: #5dade2;
-  --ifm-color-primary-dark: #429fdd;
-  --ifm-color-primary-darker: #3498db;
-  --ifm-color-primary-darkest: #227fbd;
-  --ifm-color-primary-light: #78bbe7;
-  --ifm-color-primary-lighter: #86c2e9;
-  --ifm-color-primary-lightest: #aed6f1;
+  --ifm-color-primary: #f15166;
+  --ifm-color-primary-dark: #ef334c;
+  --ifm-color-primary-darker: #ed243f;
+  --ifm-color-primary-darkest: #d1112a;
+  --ifm-color-primary-light: #f36f80;
+  --ifm-color-primary-lighter: #f57e8d;
+  --ifm-color-primary-lightest: #f8aab5;
+  --ifm-background-color: #2c2e3a;
   --docusaurus-highlighted-code-line-bg: rgba(0, 0, 0, 0.3);
 }
 
+.navbar__logo {
+    height: 2.5rem;
+}
 
 .todo {
   background-color: yellow;
diff --git a/static/img/logo.png b/static/img/logo.png
index aeffc3d..f50763e 100644
Binary files a/static/img/logo.png and b/static/img/logo.png differ