.accordion-button:not(.collapsed) {
  color: #caab51;
  background-color: var(--bs-accordion-active-bg);
  box-shadow: inset 0 calc(-1*var(--bs-accordion-border-width)) 0 var(--bs-accordion-border-color);
}

.navbar-collapse {
  flex-basis: 100%;
  flex-grow: 1;
  align-items: center;
  background-color: #212529;
}