.mbvc-lightbox-prev,
.mbvc-lightbox-next {
  position: fixed;
  top: 50%;
  transform: translateY(-50%);
  z-index: 100001;
  width: 54px;
  height: 54px;
  border: 0;
  border-radius: 999px;
  background: #ffffff;
  color: #102a43;
  font-size: 44px;
  line-height: 44px;
  cursor: pointer;
  box-shadow: 0 12px 30px rgba(0,0,0,.25);
}

.mbvc-lightbox-prev {
  left: 28px;
}

.mbvc-lightbox-next {
  right: 28px;
}

@media (max-width: 575px) {
  .mbvc-lightbox-prev,
  .mbvc-lightbox-next {
    width: 44px;
    height: 44px;
    font-size: 36px;
  }

  .mbvc-lightbox-prev {
    left: 12px;
  }

  .mbvc-lightbox-next {
    right: 12px;
  }
}