#preloader {
    position: fixed;
    inset: 0;
    background: #00ABE1;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
  }

  #preloader.hidden {
    display: none;
  }

  .spinner {
    width: 50px;
    height: 50px;
    border: 6px solid #ffffff;
    border-top:10px solid #181F69;
    border-radius: 50%;
    animation: spin 1s linear infinite;
  }

  @keyframes spin {
    0% { transform: rotate(0deg); }
100% { transform: rotate(360deg); }
}