.popup-manager {
  position: fixed;
  top: 20%;
  left: 50%;
  transform: translateX(-50%);
  z-index: 9999;
  width: 90vw;
  max-width: 800px;
  box-sizing: border-box;
}

.popup-content {
  background: #fff;
  padding: 20px;
  border-radius: 4px;
  position: relative;
  overflow: hidden;
}

.popup-content img {
  width: 100%;
  height: auto;
  display: block;
  margin: 0 auto 10px;
}

.popup-close {
  position: absolute;
  top: 8px;
  right: 8px;
  font-size: 24px;
  background: none;
  border: none;
  cursor: pointer;
}

@media (max-width: 768px) {
  .popup-manager {
    top: 10%;
    width: 95vw;
  }

  .popup-content {
    padding: 15px;
  }
}