diff --git a/source/attention_seekers/bounce.css b/source/attention_seekers/bounce.css
index d0cf19b34..233aa437a 100644
--- a/source/attention_seekers/bounce.css
+++ b/source/attention_seekers/bounce.css
@@ -19,7 +19,7 @@
   }
 
   80% {
-    transition-timing-function: cubic-bezier(0.215, 0.61, 0.355, 1);
+    animation-timing-function: cubic-bezier(0.215, 0.61, 0.355, 1);
     transform: translate3d(0, 0, 0) scaleY(0.95);
   }