Update file layout.html

wiki/layout.html

@@ -100,8 +100,8 @@
         position: fixed;
         left: 25px;  
         bottom: 40px;
-        width: 80px;
-        height: 80px;
+        width: 60px;
+        height: 60px;
         z-index: 1000;  
       }