#rj-overlay {
    background: #ffffff;
    color: black;
    position: fixed;
    height: 100%;
    width: 100%;
    z-index: 5000;
    top: 0;
    left: 0;
    float: left;
    text-align: center;
    padding-top: 25%;
    opacity: .80;
  }
  .rj-spinner {
      margin: 0 auto;
      height: 64px;
      width: 64px;
      animation: rotate 0.8s infinite linear;
      border: 5px solid #03a830;
      border-right-color: transparent;
      border-radius: 50%;
  }
  @keyframes rotate {
      0% {
          transform: rotate(0deg);
      }
      100% {
          transform: rotate(360deg);
      }
  }