- CSS only Smooth Scroll https://www.youtube.com/watch?v=mkU3pvueUc8&list=PLbcJ_vPJW9XNN3Xi5dZkB6xNtW_7Cp0vg&index=1
- HTML App Links https://www.youtube.com/watch?v=NJ5Uu4IhtDI&list=PLbcJ_vPJW9XNN3Xi5dZkB6xNtW_7Cp0vg&index=2
- HTML Lazy Images https://www.youtube.com/watch?v=e8ob-hehrqg&list=PLbcJ_vPJW9XNN3Xi5dZkB6xNtW_7Cp0vg&index=3
- CSS sticky position https://www.youtube.com/watch?v=zsdP9HSRGds&list=PLbcJ_vPJW9XNN3Xi5dZkB6xNtW_7Cp0vg&index=4
- HTML datalist https://www.youtube.com/watch?v=e6QRmv8O_6M&list=PLbcJ_vPJW9XNN3Xi5dZkB6xNtW_7Cp0vg&index=5
- JavaScript defer https://www.youtube.com/watch?v=PLOcqGXAYmM&list=PLbcJ_vPJW9XNN3Xi5dZkB6xNtW_7Cp0vg&index=6
- CSS inset https://www.youtube.com/watch?v=fYpxadU-FXc&list=PLbcJ_vPJW9XNN3Xi5dZkB6xNtW_7Cp0vg&index=7
- Dark mode egyszerűen