diff --git a/animate.css b/animate.css
index 8471a76..aaf5b1d 100755
--- a/animate.css
+++ b/animate.css
@@ -281,7 +281,7 @@
 }
 
 @-webkit-keyframes headShake {
-  0 {
+  0% {
     -webkit-transform: translateX(0);
     transform: translateX(0);
   }
@@ -313,7 +313,7 @@
 }
 
 @keyframes headShake {
-  0 {
+  0% {
     -webkit-transform: translateX(0);
     transform: translateX(0);
   }
@@ -3337,4 +3337,4 @@
 .slideOutUp {
   -webkit-animation-name: slideOutUp;
   animation-name: slideOutUp;
-}
\ No newline at end of file
+}