diff --git a/invenio_theme_tugraz/assets/semantic-ui/less/invenio_theme_tugraz/header.less b/invenio_theme_tugraz/assets/semantic-ui/less/invenio_theme_tugraz/header.less
index 75bed48..22971f6 100644
--- a/invenio_theme_tugraz/assets/semantic-ui/less/invenio_theme_tugraz/header.less
+++ b/invenio_theme_tugraz/assets/semantic-ui/less/invenio_theme_tugraz/header.less
@@ -22,7 +22,6 @@
 
 .affiliation-logo {
   display: table-cell;
-  padding: 0 50px 0 0;
   vertical-align: middle;
   white-space: nowrap;
   & a {
@@ -48,7 +47,6 @@
 .affiliation-text {
   display: table-cell;
   font-size: 17px;
-  padding: 0 0 0 50px;
   vertical-align: middle;
   white-space: nowrap;
 }
@@ -206,7 +204,8 @@ svg:not(:root) {
 }
 
 .main-menu-underline-line {
-  border: 3px solid #e4154b !important;
+  border: 2.5px solid #e4154b !important;
+  border-radius: 0;
 }
 
 #margin-divider{
diff --git a/invenio_theme_tugraz/templates/invenio_theme_tugraz/header.html b/invenio_theme_tugraz/templates/invenio_theme_tugraz/header.html
index 853d200..2cb5233 100644
--- a/invenio_theme_tugraz/templates/invenio_theme_tugraz/header.html
+++ b/invenio_theme_tugraz/templates/invenio_theme_tugraz/header.html
@@ -13,7 +13,7 @@
   {%- block navbar %}
   <nav class="navbar navbar-default navbar-static-top">
 
-    <div class="container">
+    <div class="ui container">
 
       {%- block navbar_header %}
 
@@ -139,7 +139,8 @@
           
           </div>
         </div>
-        
+
+        <div style="margin-top: 15px;"></div>
         <!--
             {%- block navbar_inner %}
             <div id="navbar" class="navbar-collapse collapse">