.choose-site-overlay {
    background-color: rgba(0, 0, 0, .75);
    display: flex;
    justify-content: center;
    align-items: center;
    position: fixed;
    height: 100vh;
    width: 100vw;
    top: 0;
    left: 0;
    z-index: 99999;
    opacity: 0;
    transition: opacity .4s;

    &.show {
        opacity: 1;
    }

    &.hide {
        display: none;
    }

    .panel {
        background-color: white;
        width: 75%;
        padding: 2rem;
    }
}