Add opera support

Author: daneden

source/tada.css

@@ -22,6 +22,14 @@
 	100% {-ms-transform: scale(1) rotate(0);}
 }
 
+@-o-keyframes tada {
+	0% {-o-transform: scale(1);}	
+	10%, 20% {-o-transform: scale(0.9) rotate(-3deg);}
+	30%, 50%, 70%, 90% {-o-transform: scale(1.1) rotate(3deg);}
+	40%, 60%, 80% {-o-transform: scale(1.1) rotate(-3deg);}
+	100% {-o-transform: scale(1) rotate(0);}
+}
+
 @keyframes tada {
 	0% {transform: scale(1);}	
 	10%, 20% {transform: scale(0.9) rotate(-3deg);}
@@ -34,5 +42,6 @@
 	-webkit-animation-name: tada;
 	-moz-animation-name: tada;
 	-ms-animation-name: tada;
+	-o-animation-name: tada;
 	animation-name: tada;
 }