A Pen created on CodePen.io. Original URL: https://codepen.io/oliviale/pen/ZwWbNg.
Harry and Snape meet (plays intense music). A scaled-down version of Marauder's Map (the real thing is too damn big) that responds to the magic words.
Credits to these awesome people:
Marauder's Map: https://www.deviantart.com/littlefallingstar/art/The-Marauders-Map-389921556
Speech recognition plugin: https://github.com/sdkcarlos/artyom.js
That scroll SVG: https://pixabay.com/en/banner-ribbon-scroll-ribbon-banner-3284786/