.errorMessage {
  margin: 15px 0px;
  background-color: red;
  color: white;
  padding: 15px;
  border-radius: 5px;
  animation: myAnim 1s ease 0s 1 normal forwards;
}

@keyframes myAnim {
  0% {
    opacity: 0;
  }

  100% {
    opacity: 1;
  }
}