body {

    background: #f4f6f9;

}

.card {

    border-radius: 12px;

    box-shadow: 0px 0px 10px rgba(0, 0, 0, .1);

}
.loading-overlay {

    position: fixed;

    top: 0;
    left: 0;

    width: 100%;
    height: 100%;

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

    display: none;

    justify-content: center;

    align-items: center;

    z-index: 999999;

}

.loading-box {

    width: 500px;

    background: white;

    border-radius: 20px;

    padding: 40px;

    text-align: center;

    box-shadow: 0 15px 45px rgba(0, 0, 0, .15);

}