.courses-detail .accordion-item {
  border-bottom: var(--bs-border-width) var(--bs-border-style) var(--bs-border-color) !important;
  border-left: none !important;
  border-right: none !important;
}
.courses-detail .accordion-button:not(.collapsed) {
  background-color: var(--color-10) !important;
  color: var(--color-14) !important;
  box-shadow: none !important;
}
.courses-detail .accordion-button:not(.collapsed)::after {
  background-image: url("/images/up-x2.png") !important;
  transform: var(--bs-accordion-btn-icon-transform);
}
.courses-detail .accordion-button::after {
  background-image: url("/images/down-x2.png") !important;
  color: var(--color-14) !important;
}