Update file parts.html

wiki/pages/parts.html

@@ -17,7 +17,7 @@
     height: calc(2 * 40px);
   }
   header.description {
-    background: url("https://static.igem.wiki/teams/4653/wiki/results/head-picture/head-picture/part.jpeg")
+    background: url("https://static.igem.wiki/teams/4653/wiki/head-picture/part-2.png")
       no-repeat bottom center/cover;
   }
 </style>