loading-content {
    position:absolute;
    inset:0;
    z-index:99;
    display:flex;
    align-items:center;
    justify-content:center;
    height:100%;
    width:100%;
    background:rgba(0,0,0,.2);
    -webkit-backdrop-filter:blur(4px);
    backdrop-filter:blur(4px)
  }