(function () {

if (Popper) {
        var feedbackButton = document.getElementById('contact-us')
        var banner = document.getElementById('banner')
        banner.style.display = 'flex'
        var popper = new Popper(feedbackButton, banner, {
                placement: 'bottom'
        })
        var closeBannerButton = document.getElementById('close-banner')
        closeBannerButton.onclick = function () {
                popper.destroy()
                banner.style.display = 'none'
        }
        // Remove banner after a while
        setTimeout(function () {
                closeBannerButton.onclick()
        }, 8000)
}

})()