diff --git a/en/index.html b/en/index.html
index 2646e4e..5ea6313 100644
--- a/en/index.html
+++ b/en/index.html
@@ -116,7 +116,6 @@
                     contribute to the success of the event. On the following page, you can learn more about it:</p>
                 <div class="button-container">
                     <a href="https://elfen.cttue.de/" class="button">Elf System</a>
-                    <a href="participate.html" class="button">Participate</a>
                 </div>
             </div>
 
@@ -168,6 +167,12 @@
                 </p>
                 <h3>Our Supporters</h3>
                 <ul class="sponsor-logos">
+                    <li>
+                        <img src="../image/logo-coworkgroupde.jpg" alt="Cowork Group Logo" style="height: 80px;">
+                    </li>
+                    <li>
+                        <img src="../image/logo-itdesign.png" alt="itdesign Logo">
+                    </li>
                     <li>
                         <img src="../image/logo-active-group.png" alt="Active Group Logo">
                     </li>
@@ -175,10 +180,10 @@
                         <img src="../image/logo-daasi.png" alt="DAASI International Logo">
                     </li>
                     <li>
-                        <img src="../image/logo-itdesign.png" alt="itdesign Logo">
+                        <img src="../image/logo-puzzle.png" alt="Puzzle ITC Logo">
                     </li>
                     <li>
-                        <img src="../image/logo-syss.png" alt="SySS Logo">
+                        <img src="../image/logo-syss.png" alt="SySS Logo" style="height: 80px;">
                     </li>
                 </ul>
                 <p>Would you like to support the TDF financially or in other ways, or do you know someone who might be
diff --git a/image/logo-coworkgroupde.jpg b/image/logo-coworkgroupde.jpg
new file mode 100644
index 0000000..40c68fd
Binary files /dev/null and b/image/logo-coworkgroupde.jpg differ
diff --git a/image/logo-puzzle.png b/image/logo-puzzle.png
new file mode 100644
index 0000000..3dacf35
Binary files /dev/null and b/image/logo-puzzle.png differ
diff --git a/index.html b/index.html
index 12273d5..44ae488 100644
--- a/index.html
+++ b/index.html
@@ -117,7 +117,6 @@
           erfahren:</p>
         <div class="button-container">
           <a href="https://elfen.cttue.de/" class="button">Elfensystem</a>
-          <a href="participate.html" class="button">Mitmachen</a>
         </div>
       </div>
 
@@ -169,6 +168,12 @@
         <h3>Unsere Sponsoren</h3>
         <p />
         <ul class="sponsor-logos">
+          <li>
+            <img src="image/logo-coworkgroupde.jpg" alt="Cowork Group Logo" style="height: 80px;">
+          </li>
+          <li>
+            <img src="image/logo-itdesign.png" alt="itdesign Logo">
+          </li>
           <li>
             <img src="image/logo-active-group.png" alt="Active Group Logo">
           </li>
@@ -176,10 +181,10 @@
             <img src="image/logo-daasi.png" alt="DAASI International Logo">
           </li>
           <li>
-            <img src="image/logo-itdesign.png" alt="itdesign Logo">
+            <img src="image/logo-puzzle.png" alt="Puzzle ITC Logo">
           </li>
           <li>
-            <img src="image/logo-syss.png" alt="SySS Logo">
+            <img src="image/logo-syss.png" alt="SySS Logo" style="height: 80px;">
           </li>
         </ul>
         <p>Möchtest du den TDF finanziell oder auf andere Weise unterstützen oder kennst jemanden, der dafür in
diff --git a/styles-4.7.css b/styles-4.7.css
index a9590c4..34f9228 100644
--- a/styles-4.7.css
+++ b/styles-4.7.css
@@ -350,17 +350,22 @@ h3,
 #sponsor .sponsor-logos {
   display: flex;
   flex-wrap: wrap;
-  gap: 2em;
+  gap: 4em;
   list-style: none;
   padding: 2em;
   margin: 0;
   align-items: center;
+  justify-content: center;
   background-color: #f8f8f8;
   border-radius: 8px;
 }
 
 #sponsor .sponsor-logos li {
   list-style: none !important;
+  flex: 0 0 calc(33.333% - 10em);
+  display: flex;
+  justify-content: center;
+  align-items: center;
 }
 
 #sponsor .sponsor-logos img {