@media (max-width: 768px) {
  body > .toast-container {
    left: 0 !important;
    right: 0 !important;
    bottom: 0 !important;
    padding: 1rem !important;
    width: 100% !important;
  }

  body > .toast-container .toast {
    max-width: none !important;
    width: 100% !important;
  }
}