.pop-up-message {
    position: fixed;
    top: 20px;
    right: 30px;
    font-size: 14px;
    cursor: pointer;
    color: white;
    max-width: 40%;
    opacity: 0;
    visibility: hidden;
    transition: visibility 0s, opacity 0.5s linear;
}

    .pop-up-message a {
        font-weight: 700;
        text-decoration: underline !important;
    }