.loader {
    margin: auto;
    display: flex;
    align-items: center;
    justify-content: center;
    height: 300px;
    width: 300px;
    border-radius: 50%;
    box-shadow: inset -10px -10px 15px rgba(255, 255, 255, 1),
      inset 10px 10px 10px rgba(0, 0, 0, 0.1);
  }
  
  .loader::before {
    margin: auto;
    content: "";
    height: 200px;
    width: 200px;
    border-radius: 50%;
    box-shadow: -10px -10px 15px rgba(255, 255, 255, 1),
      10px 10px 10px rgba(0, 0, 0, 0.1);
  }
  
  .blue {
    height: 186px;
    width: 220px;
    position: absolute;
    animation: rotate 2s linear infinite;
  }
  
  @keyframes rotate {
    100% {
      transform: rotate(360deg);
    }
  }
  
  .blue::before {
    content: "";
    position: absolute;
    height: 30px;
    border-radius: 50%;
    width: 30px;
    background: linear-gradient(45deg, #336dff, #5c89ff);
    box-shadow: 0 5px 10px rgb(0 0 0 / 30%);
  }
body{
    background-color: #DBE5EC;
}
#body{
    width: 100%;
    margin-top: 50px;
    text-align: center;
  }
  center {
    margin-top: 5px;
    color: #516f8d;
    text-shadow: 2px 2px 3px #C4CCD1, -1px -1px 5px #EAF4FB;
    cursor: default;
  }