See the interactive demo - anxiety-relief-ecuato.vercel.app View on Etsy ->
(function markDemo() { const banner = document.getElementById('demo-banner'); if (banner && getComputedStyle(banner).display !== 'none') { document.body.classList.add('demo-visible'); } })(); render(); // ── PWA SERVICE WORKER ── if ('serviceWorker' in navigator && (location.protocol === 'http:' || location.protocol === 'https:')) { navigator.serviceWorker.register('sw.js').catch(() => {}); }