.backdrop {
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  position: absolute;
  display: block;
  z-index: 10;
  visibility: hidden;
}

.backdrop-transition {
  transition-duration: .2s;
  transition-timing-function: cubic-bezier(.25,.8,.25,1);
  transition-property: visibility;
}

.btn {
}

#btn-verzenden {
  background: var(--bs-primary);
}

.btn-check:checked + .btn, .btn.active, .btn.show, .btn:first-child:active, :not(.btn-check) + .btn:active {
  color: var(--bs-btn-active-color);
  background-color: #777777;
  border-color: var(--bs-btn-active-border-color);
}

#btn-verzenden:hover {
  background: var(--bs-breadcrumb-divider-color);
}

.box.features-boxed {
}

.box {
}

.box.features-boxed:hover {
}