.preloader {
    position: fixed;
    left: 0;
    top: 0;
    right: 0;
    bottom: 0;
    background: #fff;
    z-index: 1001;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100vw;
    height: 100vh;
  }
  
  .loaded_hiding .preloader {
    transition: 0.3s opacity;
    opacity: 0;
  }
  
  .loaded .preloader {
    display: none;
  }

.preloader img {max-width: 60%; display: block;}