added additional logos

about.html

@@ -139,10 +139,13 @@
           Karlsruhe, April 2018
         </p>
 
-        <br><br><br><br>
-        [Logos: Kunsthalle, Städtische Galerie, ZKM, VG Bild]
-        <a href=https://www.zak.kit.edu target=new><img src="images/logo_zak_whitened.png" width=100%></a>
-        <a href=https://www.kit.edu target=new><img src="images/logo_kit_whitened.png" width=50%></a>
+        <div class='partner-logos'>
+          <a href=https://www.zak.kit.edu target=new><img src="images/logo_zak_whitened.png"></a>
+          <a href=https://www.kit.edu target=new><img src="images/logo_kit_whitened.png"></a>
+          <a href=http://www.staedtische-galerie.de target=new><img src="images/logo_staedtische_galerie.png"></a>
+          <a href=http://www.kunsthalle-karlsruhe.de target=new><img src="images/logo_kunsthalle.png"></a>
+          <a href=https://www.bildkunst.de target=new><img src="images/logo_vg_kunst_bild.png"></a>
+        </div>
       </div>
 
       <div class="description">

css/about.css

@@ -56,3 +56,15 @@
     color: #7f7f7f;
     color: rgba(255,255,255,.5);
 }
+
+.partner-logos {
+  margin-top: 30px;
+  display: flex;
+  flex-wrap: wrap;
+}
+
+.partner-logos img{
+  flex: 1;
+  margin: 0.25rem;
+  width: 200px;
+}