Add CSS transition support

responsiveslides.css

@@ -30,3 +30,16 @@
   width: 100%;
   border: 0;
   }
+
+.rslides .rslides1_on {
+  opacity: 1;
+	}
+
+.rslides li { /* Change duration when using option "speed" */
+	opacity: 0;
+	transition: opacity 1s ease-in-out;
+	-o-transition: opacity 1s ease-in-out;
+	-ms-transition: opacity 1s ease-in-out;
+	-moz-transition: opacity 1s ease-in-out;
+	-webkit-transition: opacity 1s ease-in-out;
+	}