diff --git a/.ci/generateIndex.py b/.ci/generateIndex.py
index c293f4a1a02e92482e4540bf4c71593b2bf9f790..8b33b387646a1581c68b2001f7a368c66ab495df 100644
--- a/.ci/generateIndex.py
+++ b/.ci/generateIndex.py
@@ -32,7 +32,7 @@ def build_section_start(title, shortcut):
     title = title.replace("Handbook 3 annexes", "Handbook - Annexes")
     title = title.replace("Covid 19", "COVID-19")
 
-    return f'\n\t<div class="index-box" id="{shortcut}">\n\t\t<h3>{title}</h3>\n\t\t<ul>\n'
+    return f'\n\t<div class="index-box noborderbox" id="{shortcut}">\n\t\t<h3>{title}</h3>\n\t\t<ul>\n'
 
 def build_section_end():
     return "\t\t</ul>\n\t</div>"
@@ -199,6 +199,9 @@ for s in sections:
 # Close the container
 index += "\n</div>"
 
+## add link to return to main index
+index += "<br><center><a href='/'>Overview of all HowTo cards</a></center>"
+
 # output the index
 #print(index)
 # Read in the file
diff --git a/index.md b/index.md
index b6dff3f7ccfe0fa10eb22aa81e4e38d897b13010..efcbbc8f2f8e87e076ba8c2af5b5fe4fea864e70 100644
--- a/index.md
+++ b/index.md
@@ -6,18 +6,17 @@ order: 1
 
 {% include scripts.html %}
 
-# LCSB How-to Cards
-
-The Bioinformatics Core and Lab Support teams assist researchers from the Luxembourg Centre for Systems Biomedicine ([LCSB](https://www.uni.lu/lcsb)) with the organization, management, and curation of research data through its R3 initiative.
-The How-to cards are intended to provide practical guidance in implementing Data Management, Data Protection, IT setup, lab support, and others.
-
-## All categories
+<style>
+.noborderbox {
+    border :0;
+}
+</style>
 
 <!-- index -->
 
 <div class="index-box-container">
 
-	<div class="index-box" id="access">
+	<div class="index-box noborderbox" id="access">
 		<h3>Access</h3>
 		<ul>
 			<li><a href="external/access/harrenhal-access">HARRENHAL access</a></li>
@@ -27,7 +26,7 @@ The How-to cards are intended to provide practical guidance in implementing Data
 
 		</ul>
 	</div>
-	<div class="index-box" id="contribute">
+	<div class="index-box noborderbox" id="contribute">
 		<h3>Contribute</h3>
 		<ul>
 			<li><a href="external/contribute/add-edit-card">How to add or edit a howto card</a></li>
@@ -37,7 +36,7 @@ The How-to cards are intended to provide practical guidance in implementing Data
 
 		</ul>
 	</div>
-	<div class="index-box" id="exchange-channels">
+	<div class="index-box noborderbox" id="exchange-channels">
 		<h3>Exchange channels</h3>
 		<ul>
 			<li><a href="external/exchange-channels/asperaweb">AsperaWEB Quick Guide</a></li>
@@ -46,7 +45,7 @@ The How-to cards are intended to provide practical guidance in implementing Data
 
 		</ul>
 	</div>
-	<div class="index-box" id="general">
+	<div class="index-box noborderbox" id="general">
 		<h3>General</h3>
 		<ul>
 			<li><a href="external/general/attend-webex">Attend the LCSB Team Meeting online (webex)</a></li>
@@ -54,7 +53,7 @@ The How-to cards are intended to provide practical guidance in implementing Data
 
 		</ul>
 	</div>
-	<div class="index-box" id="integrity">
+	<div class="index-box noborderbox" id="integrity">
 		<h3>Integrity</h3>
 		<ul>
 			<li><a href="external/integrity/checksum">Ensuring Integrity of Data Files with Checksums</a></li>
@@ -65,4 +64,4 @@ The How-to cards are intended to provide practical guidance in implementing Data
 
 		</ul>
 	</div>
-</div>
\ No newline at end of file
+</div><br><center><a href='/'>Overview of all HowTo cards</a></center>
\ No newline at end of file