diff --git a/responsiveslides.css b/responsiveslides.css
index ab664b0..1c63bd3 100644
--- a/responsiveslides.css
+++ b/responsiveslides.css
@@ -29,4 +29,17 @@
   float: left;
   width: 100%;
   border: 0;
-  }
\ No newline at end of file
+  }
+
+.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;
+	}
\ No newline at end of file