front-AT/app/Components/AlertBox/AlertBox.css

.messageBox {
  display: flex;
  position: absolute;
  padding: 0.5rem 1.25rem;
  border-radius: 0 4px 4px 0;
  font-weight: bold;
  font-size: 1.5rem;
  text-align: center;
  opacity: 1;
  z-index: 100;
  top: 0;
  left: 0;
  width: 100%;
  max-height: min-content;
  opacity: 0.9;
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.messageBox.hidden {
  opacity: 0;
  pointer-events: none;
  transition: opacity 1s ease-out,transform 0.5 ease;
}

.success {
  background-color: #d1f7c4;
  color: #000000;
  border: 1px solid #a5d6a7;
}

.error {
  background-color: #ffcdd2;
  color: #000000;
  border: 1px solid #ef9a9a;
}