.your-processing-bar {
    display: none;
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 9999;
    background-color: rgba(0, 0, 0, 0.7);
    padding: 10px;
    border-radius: 5px;
    color: #fff;
  }
  
  .your-processing-bar .spinner {
    width: 40px;
    height: 40px;
    margin: 0 auto;
    border: 4px solid #fff;
    border-top: 4px solid transparent;
    border-radius: 50%;
    animation: your-processing-bar-spin 1s linear infinite;
  }
  
  @keyframes your-processing-bar-spin {
    0% {
      transform: rotate(0deg);
    }
    100% {
      transform: rotate(360deg);
    }
  }