http://imanas.shanghai.nyu.edu/~kct285/Ex2_ScrollFun/index.html
For a while, I couldn’t figure out what was wrong with my code and why it wasn’t working. In the end, I realised that I made careless mistakes such as labelling my “class” as “id” and forgetting to link my CSS to my HTML file – a reminder of how coding requires the utmost attention and precision.