#loader {
    position: absolute;
    left: 45%;
    top: 25%;
    z-index: 99;
    width: 6rem;
    height: 6rem; 
    border: 6px solid #f3f3f3;
    border-radius: 50%;
    border-top: 6px solid #979797;
    -webkit-animation: spinLoader 2s linear infinite;
    animation: spinLoader 2s linear infinite;
  }
  

  @-webkit-keyframes spinLoader {
    0% { -webkit-transform: rotate(0deg); }
    100% { -webkit-transform: rotate(360deg); }
  }
  
  
  @keyframes spinLoader {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
  }