.modal-loading .modal-dialog {
  display: table;
  margin: 0 auto;
  top: calc(50% - 24px); }
  .modal-loading .modal-dialog .modal-content {
    background-color: transparent;
    border: none;
    width: 48px; }
    .modal-loading .modal-dialog .modal-content i.fa-spinner {
      color: #fff; }