.modal {
    display: none;
    &.open{
        display: block;
    }
    .overlay{
        --bg: #0000009C;
        --backdrop-filter: none;

        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: var(--bg);
        backdrop-filter: var(--backdrop-filter);
        z-index: 10000000;
    }
}