n: 30px auto 40px;
        margin-top: 20%;
        position: relative;
        z-index: 999999;
        background-color: whitesmoke;
      }
      .loader:before {
        content: "";
        width: 50px;
        height: 7px;
        border-radius: 50%;
        background: #000;
        opacity: 0.1;
        position: absolute;
        top: 59px;
        left: 0;
        animation: shadow 0.5s linear infinite;
      }
      .loader:after {
        content: "";
        width: 50px;
        height: 50px;
 