.shCircleLoader-loading-mask { 
  background-color: rgb(0, 0, 0, 0.5);
  width: 100%;
  height: 100%;
  margin: 0 auto;
  position: fixed;
  top: 0;
  left: 0;
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
}
.shCircleLoader-loading {
  margin: 0 auto;
  width: 60px !important;
  height: 60px !important;
}