.woocommerce form.checkout {
  visibility: hidden;
}
  
.checkout-loader {
  position: absolute;
  width: 40px;
  height: 40px;
  top: 100px;
  left: 0;
  right: 0;
  margin: 0 auto !important;
  z-index: 11;
  display: flex;
  justify-content: center;
  align-items: center;

}