$(".welcome-message-bg .welcome-message .close-button").on("click", function (e) {
        $(".welcome-message-bg").fadeOut(300);
    });

    if (localStorage.getItem("visit") == null) {
        $('body').addClass('unique-user');
        localStorage.setItem('visit', true);
    } else {
        $('body').removeClass('unique-user');
    }