#loading {
    position: fixed;
    display: block;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    display: flex;
  justify-content: center;
  align-items: center;
    text-align: center;
    opacity: 0.7;
    background-color: #fff;
    z-index: 99;
  }
  
  #loading-image {
    position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
    display: block;
  margin-left: auto;
  margin-right: auto;
    z-index: 100;
  }