diff --git a/detail.html b/detail.html
index ed3d411..95a7873 100644
--- a/detail.html
+++ b/detail.html
@@ -12,7 +12,7 @@
 <body class="product-detail">
   <div class="header">
     <ul>
-      <li><a class="logo" href="/"><img src="img/oho-logo-imprint.png" width="47" height="25" /></a></li>
+      <li><a class="logo" href="/"><img src="img/oho-logo-header-imprint.png" width="47" height="25" /></a></li>
       <li><a href="#">news</a></li>
       <li><a href="#">about <i class="fas fa-caret-down"></i></a></li>
       <li><a href="#">metadata repository <i class="fas fa-caret-down"></i></a></li>
@@ -64,7 +64,7 @@
       <h1>Product title mechanical device</h1>
       <div class="clearer">&nbsp;</div>
       <div class="col-2-3">
-        <img class="product-img" src="img/fancycrave-530803-unsplash.jpg" />
+        <img class="product-img" src="img/detail-page-example.jpg" />
         <h2>Lorem ipsum dolor sit amet</h2>
         <p>Lorem ipsum dolor sit amet, consetetur sadipscing elitr, sed diam nonumy eirmod tempor invidunt ut labore et dolore magna aliquyam erat, sed diam voluptua. At vero eos et accusam et justo duo dolores et ea rebum. Stet clita kasd gubergren, no sea takimata sanctus est Lorem ipsum dolor sit amet. Lorem ipsum dolor sit amet, consetetur sadipscing elitr, sed diam nonumy eirmod tempor invidunt ut labore et dolore magna aliquyam erat, sed diam voluptua. At vero eos et accusam et justo duo dolores et ea rebum. Stet clita kasd gubergren, no sea takimata sanctus est Lorem ipsum dolor sit amet.</p>
       </div>
@@ -87,14 +87,14 @@
             <th colspan="2"><h3>OSH Lizenz</h3></th>
           </tr>
           <tr>
-            <td><img src="img/OSH_logo.svg" width="20" /></td>
+            <td><img src="img/Icon-OSH.svg" width="20" /></td>
             <td><a href="#">SSP-OSH2549</a></td>
           </tr>
           <tr>
             <th colspan="2"><h3>Norm Specification</h3></th>
           </tr>
           <tr>
-            <td><img src="img/DIN_logo.svg" width="20" /></td>
+            <td><img src="img/Icon-DIN.svg" width="20" /></td>
             <td><a href="#">DIN-SPEC Standard T302</a></td>
           </tr>
           <tr>
@@ -169,8 +169,8 @@
               </div>
               <ul>
                 <li class="lang"><i class="fas fa-language"></i> DE,EN</li>
-                <li class="cert"><img class="svg" src="img/OSH_logo.svg" width="16" /></li>
-                <li class="din"><img class="svg" style="margin-top:-2px;" src="img/DIN_logo.svg" width="20" /></li>
+                <li class="cert"><img class="svg" src="img/Icon-OSH.svg" width="16" /></li>
+                <li class="din"><img class="svg" style="margin-top:-2px;" src="img/Icon-DIN.svg" width="20" /></li>
                 <li class="doc"><i class="fas fa-book-open"></i></li>
               </ul>
               <div class="clearer">&nbsp;</div>
@@ -206,8 +206,8 @@
               </div>
               <ul>
                 <li class="lang"><i class="fas fa-language"></i> DE,EN</li>
-                <li class="cert"><img class="svg" src="img/OSH_logo.svg" width="16" /></li>
-                <li class="din"><img class="svg" style="margin-top:-2px;" src="img/DIN_logo.svg" width="20" /></li>
+                <li class="cert"><img class="svg" src="img/Icon-OSH.svg" width="16" /></li>
+                <li class="din"><img class="svg" style="margin-top:-2px;" src="img/Icon-DIN.svg" width="20" /></li>
                 <li class="doc"><i class="fas fa-book-open"></i></li>
               </ul>
               <div class="clearer">&nbsp;</div>
@@ -243,8 +243,8 @@
               </div>
               <ul>
                 <li class="lang"><i class="fas fa-language"></i> DE,EN</li>
-                <li class="cert"><img class="svg" src="img/OSH_logo.svg" width="16" /></li>
-                <li class="din"><img class="svg" style="margin-top:-2px;" src="img/DIN_logo.svg" width="20" /></li>
+                <li class="cert"><img class="svg" src="img/Icon-OSH.svg" width="16" /></li>
+                <li class="din"><img class="svg" style="margin-top:-2px;" src="img/Icon-DIN.svg" width="20" /></li>
                 <li class="doc"><i class="fas fa-book-open"></i></li>
               </ul>
               <div class="clearer">&nbsp;</div>
@@ -280,8 +280,8 @@
               </div>
               <ul>
                 <li class="lang"><i class="fas fa-language"></i> DE,EN</li>
-                <li class="cert"><img class="svg" src="img/OSH_logo.svg" width="16" /></li>
-                <li class="din"><img class="svg" style="margin-top:-2px;" src="img/DIN_logo.svg" width="20" /></li>
+                <li class="cert"><img class="svg" src="img/Icon-OSH.svg" width="16" /></li>
+                <li class="din"><img class="svg" style="margin-top:-2px;" src="img/Icon-DIN.svg" width="20" /></li>
                 <li class="doc"><i class="fas fa-book-open"></i></li>
               </ul>
               <div class="clearer">&nbsp;</div>
@@ -317,8 +317,8 @@
               </div>
               <ul>
                 <li class="lang"><i class="fas fa-language"></i> DE,EN</li>
-                <li class="cert"><img class="svg" src="img/OSH_logo.svg" width="16" /></li>
-                <li class="din"><img class="svg" style="margin-top:-2px;" src="img/DIN_logo.svg" width="20" /></li>
+                <li class="cert"><img class="svg" src="img/Icon-OSH.svg" width="16" /></li>
+                <li class="din"><img class="svg" style="margin-top:-2px;" src="img/Icon-DIN.svg" width="20" /></li>
                 <li class="doc"><i class="fas fa-book-open"></i></li>
               </ul>
               <div class="clearer">&nbsp;</div>
@@ -354,8 +354,8 @@
               </div>
               <ul>
                 <li class="lang"><i class="fas fa-language"></i> DE,EN</li>
-                <li class="cert"><img class="svg" src="img/OSH_logo.svg" width="16" /></li>
-                <li class="din"><img class="svg" style="margin-top:-2px;" src="img/DIN_logo.svg" width="20" /></li>
+                <li class="cert"><img class="svg" src="img/Icon-OSH.svg" width="16" /></li>
+                <li class="din"><img class="svg" style="margin-top:-2px;" src="img/Icon-DIN.svg" width="20" /></li>
                 <li class="doc"><i class="fas fa-book-open"></i></li>
               </ul>
               <div class="clearer">&nbsp;</div>
@@ -391,8 +391,8 @@
               </div>
               <ul>
                 <li class="lang"><i class="fas fa-language"></i> DE,EN</li>
-                <li class="cert"><img class="svg" src="img/OSH_logo.svg" width="16" /></li>
-                <li class="din"><img class="svg" style="margin-top:-2px;" src="img/DIN_logo.svg" width="20" /></li>
+                <li class="cert"><img class="svg" src="img/Icon-OSH.svg" width="16" /></li>
+                <li class="din"><img class="svg" style="margin-top:-2px;" src="img/Icon-DIN.svg" width="20" /></li>
                 <li class="doc"><i class="fas fa-book-open"></i></li>
               </ul>
               <div class="clearer">&nbsp;</div>
@@ -464,7 +464,7 @@
     </div>
   </div>
   <div class="imprint">
-    <p><img src="img/oho-logo-imprint.png" width="36" height="19" /> CC 2019 open hardware observatory&nbsp;&nbsp;&nbsp;&nbsp;|&nbsp;&nbsp;&nbsp;&nbsp;<a href="#">imprint</a>&nbsp;&nbsp;&nbsp;&nbsp;|&nbsp;&nbsp;&nbsp;&nbsp;<a href="#">legal</a></p>
+    <p><img src="img/oho-logo-header-imprint.png" width="36" height="19" /> CC 2019 open hardware observatory&nbsp;&nbsp;&nbsp;&nbsp;|&nbsp;&nbsp;&nbsp;&nbsp;<a href="#">imprint</a>&nbsp;&nbsp;&nbsp;&nbsp;|&nbsp;&nbsp;&nbsp;&nbsp;<a href="#">legal</a></p>
   </div>
 </body>
 </html>
diff --git a/img/DIN_logo.svg b/img/Icon-DIN.svg
similarity index 100%
rename from img/DIN_logo.svg
rename to img/Icon-DIN.svg
diff --git a/img/OSH_logo.svg b/img/Icon-OSH.svg
similarity index 100%
rename from img/OSH_logo.svg
rename to img/Icon-OSH.svg
diff --git a/img/aserradero-portatil-bolport.jpg b/img/aserradero-portatil-bolport.jpg
deleted file mode 100644
index 64a3827..0000000
Binary files a/img/aserradero-portatil-bolport.jpg and /dev/null differ
diff --git a/img/aserradero-portatil-bolport_278x182.jpg b/img/aserradero-portatil-bolport_278x182.jpg
deleted file mode 100644
index 5dcc7f4..0000000
Binary files a/img/aserradero-portatil-bolport_278x182.jpg and /dev/null differ
diff --git a/img/fancycrave-530803-unsplash.jpg b/img/detail-page-example.jpg
similarity index 100%
rename from img/fancycrave-530803-unsplash.jpg
rename to img/detail-page-example.jpg
diff --git a/img/icon-flag-spain.png b/img/icon-flag-spain.png
deleted file mode 100644
index 71e323a..0000000
Binary files a/img/icon-flag-spain.png and /dev/null differ
diff --git a/img/language-icon.gif b/img/language-icon.gif
deleted file mode 100644
index 3b59e90..0000000
Binary files a/img/language-icon.gif and /dev/null differ
diff --git a/img/logo-opensource-hardware.png b/img/logo-opensource-hardware.png
deleted file mode 100644
index b37d045..0000000
Binary files a/img/logo-opensource-hardware.png and /dev/null differ
diff --git a/img/oho-logo-imprint.png b/img/oho-logo-header-imprint.png
similarity index 100%
rename from img/oho-logo-imprint.png
rename to img/oho-logo-header-imprint.png
diff --git a/img/opensource-off.png b/img/opensource-off.png
deleted file mode 100644
index 76e782c..0000000
Binary files a/img/opensource-off.png and /dev/null differ
diff --git a/img/opensource-on.png b/img/opensource-on.png
deleted file mode 100644
index 12995e6..0000000
Binary files a/img/opensource-on.png and /dev/null differ
diff --git a/index.html b/index.html
index 50f7449..90ca766 100644
--- a/index.html
+++ b/index.html
@@ -12,7 +12,7 @@
 <body>
   <div class="header">
     <ul>
-      <li><a class="logo" href="#"><img src="img/oho-logo-imprint.png" width="47" height="25" /></a></li>
+      <li><a class="logo" href="#"><img src="img/oho-logo-header-imprint.png" width="47" height="25" /></a></li>
       <li><a href="#">news</a></li>
       <li><a href="#">about <i class="fas fa-caret-down"></i></a></li>
       <li><a href="#">metadata repository <i class="fas fa-caret-down"></i></a></li>
@@ -96,8 +96,8 @@
               </div>
               <ul>
                 <li class="lang"><i class="fas fa-language"></i> DE,EN</li>
-                <li class="cert"><img class="svg" src="img/OSH_logo.svg" width="16" /></li>
-                <li class="din"><img class="svg" style="margin-top:-2px;" src="img/DIN_logo.svg" width="20" /></li>
+                <li class="cert"><img class="svg" src="img/Icon-OSH.svg" width="16" /></li>
+                <li class="din"><img class="svg" style="margin-top:-2px;" src="img/Icon-DIN.svg" width="20" /></li>
                 <li class="doc"><i class="fas fa-book-open"></i></li>
               </ul>
               <div class="clearer">&nbsp;</div>
@@ -133,8 +133,8 @@
               </div>
               <ul>
                 <li class="lang"><i class="fas fa-language"></i> DE,EN</li>
-                <li class="cert"><img class="svg" src="img/OSH_logo.svg" width="16" /></li>
-                <li class="din"><img class="svg" style="margin-top:-2px;" src="img/DIN_logo.svg" width="20" /></li>
+                <li class="cert"><img class="svg" src="img/Icon-OSH.svg" width="16" /></li>
+                <li class="din"><img class="svg" style="margin-top:-2px;" src="img/Icon-DIN.svg" width="20" /></li>
                 <li class="doc"><i class="fas fa-book-open"></i></li>
               </ul>
               <div class="clearer">&nbsp;</div>
@@ -170,8 +170,8 @@
               </div>
               <ul>
                 <li class="lang"><i class="fas fa-language"></i> DE,EN</li>
-                <li class="cert"><img class="svg" src="img/OSH_logo.svg" width="16" /></li>
-                <li class="din"><img class="svg" style="margin-top:-2px;" src="img/DIN_logo.svg" width="20" /></li>
+                <li class="cert"><img class="svg" src="img/Icon-OSH.svg" width="16" /></li>
+                <li class="din"><img class="svg" style="margin-top:-2px;" src="img/Icon-DIN.svg" width="20" /></li>
                 <li class="doc"><i class="fas fa-book-open"></i></li>
               </ul>
               <div class="clearer">&nbsp;</div>
@@ -207,8 +207,8 @@
               </div>
               <ul>
                 <li class="lang"><i class="fas fa-language"></i> DE,EN</li>
-                <li class="cert"><img class="svg" src="img/OSH_logo.svg" width="16" /></li>
-                <li class="din"><img class="svg" style="margin-top:-2px;" src="img/DIN_logo.svg" width="20" /></li>
+                <li class="cert"><img class="svg" src="img/Icon-OSH.svg" width="16" /></li>
+                <li class="din"><img class="svg" style="margin-top:-2px;" src="img/Icon-DIN.svg" width="20" /></li>
                 <li class="doc"><i class="fas fa-book-open"></i></li>
               </ul>
               <div class="clearer">&nbsp;</div>
@@ -244,8 +244,8 @@
               </div>
               <ul>
                 <li class="lang"><i class="fas fa-language"></i> DE,EN</li>
-                <li class="cert"><img class="svg" src="img/OSH_logo.svg" width="16" /></li>
-                <li class="din"><img class="svg" style="margin-top:-2px;" src="img/DIN_logo.svg" width="20" /></li>
+                <li class="cert"><img class="svg" src="img/Icon-OSH.svg" width="16" /></li>
+                <li class="din"><img class="svg" style="margin-top:-2px;" src="img/Icon-DIN.svg" width="20" /></li>
                 <li class="doc"><i class="fas fa-book-open"></i></li>
               </ul>
               <div class="clearer">&nbsp;</div>
@@ -281,8 +281,8 @@
               </div>
               <ul>
                 <li class="lang"><i class="fas fa-language"></i> DE,EN</li>
-                <li class="cert"><img class="svg" src="img/OSH_logo.svg" width="16" /></li>
-                <li class="din"><img class="svg" style="margin-top:-2px;" src="img/DIN_logo.svg" width="20" /></li>
+                <li class="cert"><img class="svg" src="img/Icon-OSH.svg" width="16" /></li>
+                <li class="din"><img class="svg" style="margin-top:-2px;" src="img/Icon-DIN.svg" width="20" /></li>
                 <li class="doc"><i class="fas fa-book-open"></i></li>
               </ul>
               <div class="clearer">&nbsp;</div>
@@ -318,8 +318,8 @@
               </div>
               <ul>
                 <li class="lang"><i class="fas fa-language"></i> DE,EN</li>
-                <li class="cert"><img class="svg" src="img/OSH_logo.svg" width="16" /></li>
-                <li class="din"><img class="svg" style="margin-top:-2px;" src="img/DIN_logo.svg" width="20" /></li>
+                <li class="cert"><img class="svg" src="img/Icon-OSH.svg" width="16" /></li>
+                <li class="din"><img class="svg" style="margin-top:-2px;" src="img/Icon-DIN.svg" width="20" /></li>
                 <li class="doc"><i class="fas fa-book-open"></i></li>
               </ul>
               <div class="clearer">&nbsp;</div>
@@ -414,7 +414,7 @@
     </div>
   </div>
   <div class="imprint">
-    <p><img src="img/oho-logo-imprint.png" width="36" height="19" /> CC 2019 open hardware observatory&nbsp;&nbsp;&nbsp;&nbsp;|&nbsp;&nbsp;&nbsp;&nbsp;<a href="#">imprint</a>&nbsp;&nbsp;&nbsp;&nbsp;|&nbsp;&nbsp;&nbsp;&nbsp;<a href="#">legal</a></p>
+    <p><img src="img/oho-logo-header-imprint.png" width="36" height="19" /> CC 2019 open hardware observatory&nbsp;&nbsp;&nbsp;&nbsp;|&nbsp;&nbsp;&nbsp;&nbsp;<a href="#">imprint</a>&nbsp;&nbsp;&nbsp;&nbsp;|&nbsp;&nbsp;&nbsp;&nbsp;<a href="#">legal</a></p>
   </div>
 </body>
 </html>
