#loading-overlay{

    position:fixed;

    inset:0;

    background:rgba(255,255,255,.95);

    display:none;

    justify-content:center;

    align-items:center;

    z-index:99999;

}

#loading-overlay.active{

    display:flex;

}

.loading-box{

    text-align:center;

}

.spinner{

    width:55px;

    height:55px;

    border:4px solid #ddd;

    border-top:4px solid #111;

    border-radius:50%;

    animation:spin .8s linear infinite;

    margin:auto auto 25px;

}