.position-centers {
    background: white;
    padding: 30px;
    border-radius: 6px;
    position: absolute;
    left: 20%;
    right: 20%;
    top: 58%;
    color: #3f51b5;
    font-weight: bold;
  }

  #loading-bar-spinner.spinner {
    left: 50%;
    margin-left: -20px;
    top: 50%;
    margin-top: -20px;
    position: absolute;
    z-index: 19 !important;
    animation: loading-bar-spinner 400ms linear infinite;
  }

  #loading-bar-spinner.spinner .spinner-icon {
    width: 40px;
    height: 40px;
    border: solid 4px transparent;
    border-top-color: #3f51b5 !important;
    border-left-color: #3f51b5 !important;
    border-radius: 50%;
  }

  @keyframes loading-bar-spinner {
    0% {
      transform: rotate(0deg);
      transform: rotate(0deg);
    }

    100% {
      transform: rotate(360deg);
      transform: rotate(360deg);
    }
  }