A fully interactive HTML ESL lesson that opens in any modern browser. Self-checking answers, vocabulary tooltips, dark mode, built-in teacher notes, and answer export. Download it and see for yourself. What you get:Interactive HTML file that opens in Chrome, Firefox, Edge, or any modern browser. No apps, no logins, no Google account needed.Self-checking answers with instant feedback on MC, gap-fill, and drag-and-drop questions.Dark mode toggle. Easier on eyes for evening study or screen-heavy cl