* Add autoscoping with generated demo
* Remove manual demo from all snippets
* Add JavaScript inside IIFE
* Align mouse-cursor-gradient-tracking.md to demo code
* Match snippets to demo
* Update CONTRIBUTING.md
* Create reusable function for code extraction
* Add snippet for visual, interactivity: CSS toggle switch
* Add Explanation #8
* add transition for button and change background color from blue to #7983ff
* add explanation #9
* address based on comment.
* update the css matched with explanation description
* Remove 'CSS' from title for simplicity
* Explanation grammar
* class scoping
* Explanation improvements
