.lightbox-overlay {
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  background: rgba(0,0,0,0.9);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 9999;
}
.lightbox-content {
  position: relative;
  max-width: 90%;
  max-height: 90%;
}
.lightbox-content img {
  width: 100%;
  height: auto;
  border-radius: 8px;
}
.lightbox-close {
  position: absolute;
  top: -15px; right: -15px;
  background: #fff;
  color: #000;
  border: none;
  font-size: 24px;
  cursor: pointer;
  border-radius: 50%;
  width: 35px;
  height: 35px;
}