.fm-loading-wrap {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  background: rgba(0, 0, 0, 0.4);
  z-index: 1000;
}
.fm-loading-wrap i {
  position: absolute;
  top: 50%;
  left: 50%;
}