/* Full-screen overlay */
#warningOverlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,.75);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 999999;
}

/* Popup */
.warningBox {
    background: #fff;
    width: 700px;
    max-width: 90%;
    padding: 35px;
    border-radius: 8px;
    border: 4px solid #005EA2;
    box-shadow: 0 15px 40px rgba(0,0,0,.5);
}

    .warningBox h2 {
        margin-top: 0;
        color: #B50909;
        font-size: 30px;
    }

    .warningBox p {
        font-size: 18px;
        line-height: 1.6;
        color: #222;
    }

    .warningBox button {
        display: block;
        margin: 30px auto 0;
        padding: 14px 32px;
        background: #005EA2;
        color: #fff;
        border: none;
        border-radius: 4px;
        font-size: 18px;
        font-weight: bold;
        cursor: pointer;
    }

        .warningBox button:hover {
            background: #004B84;
        }