diff --git a/source/bounceInDown.css b/source/bounceInDown.css
index 80ee77b..f724d4d 100644
--- a/source/bounceInDown.css
+++ b/source/bounceInDown.css
@@ -58,6 +58,26 @@
 	}
 }
 
+@-o-keyframes bounceInDown {
+	0% {
+		opacity: 0;
+		-o-transform: translateY(-2000px);
+	}
+	
+	60% {
+		opacity: 1;
+		-o-transform: translateY(30px);
+	}
+	
+	80% {
+		-o-transform: translateY(-10px);
+	}
+	
+	100% {
+		-o-transform: translateY(0);
+	}
+}
+
 @keyframes bounceInDown {
 	0% {
 		opacity: 0;