diff --git a/custom.css b/custom.css
index 7a59a42..4e56a4e 100644
--- a/custom.css
+++ b/custom.css
@@ -77,23 +77,3 @@
   display: inline-block;
 }
 
-/* Shake */
-
-.shake {
-  animation: shake 0.5s;
-  animation-iteration-count: infinite;
-}
-
-@keyframes shake {
-  0% { transform: translate(1px, 1px) rotate(0deg); }
-  10% { transform: translate(-1px, -2px) rotate(-1deg); }
-  20% { transform: translate(-3px, 0px) rotate(1deg); }
-  30% { transform: translate(3px, 2px) rotate(0deg); }
-  40% { transform: translate(1px, -1px) rotate(1deg); }
-  50% { transform: translate(-1px, 2px) rotate(-1deg); }
-  60% { transform: translate(-3px, 1px) rotate(0deg); }
-  70% { transform: translate(3px, 1px) rotate(-1deg); }
-  80% { transform: translate(-1px, -1px) rotate(1deg); }
-  90% { transform: translate(1px, 2px) rotate(0deg); }
-  100% { transform: translate(1px, -2px) rotate(-1deg); }
-}