.collapse-arrow .arrow-icon {
  transform: rotate(90deg);
  transition: .3s transform ease-in-out;
  display: inline-block;
  margin-left: auto;
  flex-shrink: 0;
}

.collapse-arrow .collapsed .arrow-icon {
  transform: rotate(0deg);
}

.collapse-arrow a{
    color: #3399cc;
    display: flex;
    align-items: center;
    width: 100%;
}

.collapse-arrow a:hover{
    color: #fff;
}

/* Responsive arrow size */
@media (min-width: 992px) and (max-width: 1199px) {
  .collapse-arrow .arrow-icon img {
    width: 28px !important;
  }
}

@media (min-width: 768px) and (max-width: 991px) {
  .collapse-arrow .arrow-icon img {
    width: 28px !important;
  }
}

@media (min-width: 576px) and (max-width: 767px) {
  .collapse-arrow .arrow-icon img {
    width: 24px !important;
  }
}

@media (max-width: 575px) {
  .collapse-arrow .arrow-icon img {
    width: 26px !important;
  }
}

@media (max-width: 400px) {
  .collapse-arrow .arrow-icon img {
    width: 22px !important;
  }
}