diff --git a/512x512/logo.png b/512x512/logo.png
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diff --git a/512x512/logo_agile-coach.png b/512x512/logo_agile-coach.png
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index 0000000..e0dc202
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diff --git a/512x512/logo_cross-domain-consultant.png b/512x512/logo_cross-domain-consultant.png
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index 0000000..d9a49fc
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diff --git a/512x512/logo_cybermaster.png b/512x512/logo_cybermaster.png
new file mode 100644
index 0000000..c16a656
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diff --git a/512x512/logo_it_consultant.png b/512x512/logo_it_consultant.png
new file mode 100644
index 0000000..cba891c
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diff --git a/512x512/logo_personal-coach.png b/512x512/logo_personal-coach.png
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diff --git a/512x512/logo_yachtmaster.png b/512x512/logo_yachtmaster.png
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diff --git a/index.html b/index.html
index 5a2ecb8..5d10d7b 100644
--- a/index.html
+++ b/index.html
@@ -62,7 +62,7 @@
   <body>
     <div class="container">
       <div class="header">
-        <img src="logo_100x100.png" alt="logo"/>
+        <img src="512x512/logo.png" alt="logo"/>
         <h1>Kevin Veen-Birkenbach</h1>
         <h2>Consulting and Coaching Services</h2>
         <p></p>
@@ -72,7 +72,7 @@
           <div class="card h-100 d-flex flex-column">
             <div class="card-body d-flex flex-column">
               <div class="card-img-top">
-                <i class="fa-solid fa-users fa-10x"></i>
+                <img src="512x512/logo_agile-coach.png" alt="Agile Coach" style="width: 100px; height: auto;"> 
               </div>
               <hr />
               <h3 class="card-title">Agile Coach</h3>
@@ -85,7 +85,7 @@
           <div class="card h-100 d-flex flex-column">
             <div class="card-body d-flex flex-column">
               <div class="card-img-top">
-                <i class="fa-solid fa-user fa-10x"></i>
+                <img src="512x512/logo_personal-coach.png" alt="Personal Coach" style="width: 100px; height: auto;"> 
               </div>
               <hr />
               <h3 class="card-title">Personal Coach</h3>
@@ -98,7 +98,7 @@
           <div class="card h-100 d-flex flex-column">
             <div class="card-body d-flex flex-column">
               <div class="card-img-top">
-                <i class="fa-solid fa-sailboat fa-10x"></i>
+                <img src="512x512/logo_yachtmaster.png" alt="Yachtmaster" style="width: 100px; height: auto;"> 
               </div>
               <hr />
               <h3 class="card-title">Yachtmaster</h3>
@@ -111,10 +111,10 @@
           <div class="card h-100 d-flex flex-column">
             <div class="card-body d-flex flex-column">
               <div class="card-img-top">
-                <i class="fa-solid fa-user-astronaut fa-10x"></i>
+                <img src="512x512/logo_cross-domain-consultant.png" alt="Cross Domain Consultant" style="width: 100px; height: auto;"> 
               </div>
               <hr />
-              <h3 class="card-title">Expedition Adviser</h3>
+              <h3 class="card-title">Consultant</h3>
               <p class="card-text">I help people and insititutions to appraise, plan, monitor, execute and evaluate complex projects in the land, sea, air, cyber, information and psychological domain.</p>
               <a href="https://www.expeditionadviser.world" class="mt-auto btn btn-light stretched-link" target=”_blank” ><i class="fa-solid fa-globe"></i> www.expeditionadviser.world</a>
             </div>
@@ -124,10 +124,10 @@
           <div class="card h-100 d-flex flex-column">
             <div class="card-body d-flex flex-column">
               <div class="card-img-top">
-                <i class="fa-solid fa-computer fa-10x"></i>
+                <img src="512x512/logo_cybermaster.png" alt="Cyber Master" style="width: 100px; height: auto;"> 
               </div>
               <hr />
-              <h3 class="card-title">IT Consultant</h3>
+              <h3 class="card-title">Cyber Master</h3>
               <p class="card-text">I develope robust open source IT infrastructure and software solutions tailored for German SMBs, with an emphasis on automation, security, reliability, and efficient operations.</p>
               <a href="https://www.mittelstand.world" class="mt-auto btn btn-light stretched-link" target=”_blank” ><i class="fa-solid fa-globe"></i> www.mittelstand.world</a>
             </div>
diff --git a/logo_100x100.png b/logo_100x100.png
deleted file mode 100644
index be7cf43..0000000
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