.flash-container {
  position: fixed;
  top: 20px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1050;
  width: 400px;
  max-width: 90%;
  transition: opacity 0.5s ease-out, transform 0.5s ease-out;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.flash-container.fade-out {
  opacity: 0;
  transform: translate(-50%, -20px);
}

.flash-container .alert {
  margin-bottom: 10px;
  text-align: center;
}