body {
  font-family: 'Open Sans', sans-serif;
}

h1, h2, h3 {
  font-family: 'Poppins', sans-serif;
}

#confirmation-modal, #error-modal {
  opacity: 0;
  transition: opacity 0.3s ease;
}

#confirmation-modal:not(.hidden), #error-modal:not(.hidden) {
  opacity: 1;
}