Here are some possible ways we can use these custom cursors: For each cursor in this pack, you should be able to click it and the curser will change. This feature allows users to easily switch between different animated cursors while they work. The cursors have been optimized for optimal performance on both desktop and mobile devices by using lightweight vector graphics that reduce system resource consumption without sacrificing quality or speed of animation. You are given this HTML code: "You'll receive a problem-solving challenge! Please explain how to implement the 'onMouseOver' functionality which would enable me to display a small information box when hovered over each custom cursor pack, but only if I want to use an external JS library (like d3.js) to create this feature without altering HTML structure?