diff --git a/examples/style.mobile.css b/examples/style.mobile.css
index d0775bd464..7dfb35ab2e 100644
--- a/examples/style.mobile.css
+++ b/examples/style.mobile.css
@@ -40,3 +40,9 @@ div.olControlZoom a:hover {
         background: rgba(0, 0, 0, 0.3);
     }
 }
+.olTileImage {
+    -webkit-transition: opacity 0.2s linear;
+    -moz-transition: opacity 0.2s linear;
+    -o-transition: opacity 0.2s linear;
+    transition: opacity 0.2s linear;
+}