#sb-preloader {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: #003E81;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
}

#sb-logo {
  width: 100px;
  animation: grow 4s ease-in-out forwards;
}

@keyframes grow {
  0% { transform: scale(0.1); opacity: 1; }
  50% { transform: scale(5); opacity: 1; }
  100% { transform: scale(0); opacity: 0; }
}