Practice for HTML files.
- box_drawing_clock
- color_picker
- day_of_the_week_quiz
- lightning
- live_markdown_preview
- luck_of_the_draw
- magic_square_example
- matrix_kanji
- m_n_k_game
- sparklers
- square_puzzle
- triangle_centers
- Zen_search
- Lightning sounds are referenced from OtoLogic.
- The matrix_kanji.html was inspired by servetgulnaroglu/ytb_matrix_js.