.loader {
    border: 16px solid #f3f3f3;
    border-radius: 50%;
    border-top: 16px solid #3498db;
    width: 120px;
    height: 120px;
    animation: spin 2s linear infinite;
    position: absolute;
    left: 50%;
    top: 50%;
    margin-left: -60px;
    margin-top: -60px;
    display: none;
}

@keyframes spin {
    0% {
        transform: rotate(0deg);
    }

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

#loader {
    display: none;
    text-align: center;
  }

  #pengaduanResult {
    display: none;
  }