.sk-zhi-logo {
  display: block;
  width: 100px;
  height: 100px;
  background-image: none;
  z-index: 10;
  position: fixed;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
}

.ajax-progress-fullscreen {
  background-color: rgba(255, 255, 255, 0.9);
  width: 100% !important;
  height: 100% !important;
}