.back-to-top {
  position: fixed;
  bottom: -60px;
  right: 20px;
  background-color: #007bff;
  color: #fff;
  padding: 10px 20px;
  border: none;
  border-radius: 5px;
  cursor: pointer;
  transition: background-color 0.3s, bottom 0.3s;
}

.back-to-top:hover {
  background-color: #0056b3;
}

.effect {
  max-width: 40%;
  opacity: 0;
  z-index: 999;
  transition: 0.4s ease, transform 0.4s ease-out;
}

.effect:hover {
  opacity: 1;
}

.form-check-input:checked {
  background-color: var(--bs-secondary);
  border-color: var(--bs-secondary);
}

.nav-item {
}