AppFlowy-Cloud/admin_frontend/assets/message.css

@keyframes slideIn {
  from {
    top: -20%;
  }
  to {
    top: 1%;
  }
}

.message.slideIn {
  animation: slideIn 0.2s forwards;
}

.message {
  border: none;
  border-radius: 4px;
  padding: 8px 16px;
  display: none;
  position: fixed;
  left: 50%;
  transform: translateX(-50%);
  color: #fff;
  z-index: 1;
}