анимация сохраняет конечное состояние
-webkit-animation: bubble 1.0s forwards; /* for less modern browsers */
animation: bubble 1.0s forwards;
Lazy Leopard
-webkit-animation: bubble 1.0s forwards; /* for less modern browsers */
animation: bubble 1.0s forwards;/* Try adding animation-fill-mode: forwards;. For example like this: */
-webkit-animation: bubble 1.0s forwards; /* for less modern browsers */
animation: bubble 1.0s forwards;