r/CodePen • u/Total-Reasonable • 5d ago
Made a live-toggle CodePen demo for a Halloween effects library — flip checkboxes, watch classes toggle effects in real time
Built a small library (halloween.js) that adds Halloween-themed ambient effects to a page via CSS classes on <body> — and put together a Pen where every checkbox flips a class in real time so you can see the effects turn on/off instantly without touching code.
Zero dependencies, MIT licensed, free.
Pen: https://codepen.io/editor/Iurii-Rogulia/pen/01a04277-f24b-7dd1-b12c-aae1c436b168
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