.page-alert {
   animation:page-alert 1s 1;
  -webkit-animation:page-alert 1s 1;
  animation-fill-mode: forwards;

  animation-delay:3s;
  -webkit-animation-delay:3s; /* Safari and Chrome */
  -webkit-animation-fill-mode: forwards;
}

@keyframes page-alert {
    from {
      opacity: 1;
    }
    to {
      opacity: 0;
      height: 0;
      margin: 0;
      padding: 0;
    }
}

.page-alert span.failed {
  color: #b94f4f;
}

.page-alert span.succeeded {
  color: #6f9833;
}