a {
  text-decoration: underline;
}

.btn.button_add_selected {
  position: static;
  z-index: auto;
}

.btn.button_add_selected.bs4-button-float.always {
  position: fixed;
  bottom: 7.5rem;
  z-index: 100;
}

@media (max-width: 577px) {
  .btn.button_add_selected.bs4-button-float.sm-only {
    position: fixed;
    bottom: 5rem;
    left: 2vw;
    z-index: 100;
  }
  .btn.button_add_selected.bs4-button-hide-sm {
    display: none;
  }
}