This is the most important "UX" part of the code. It tells the browser to turn the user's mouse cursor into a (the "pointer") when hovering over the element.
The CSS class is likely an auto-generated, hashed class name used by modern web frameworks to ensure "scoped" styling. .inIBeE3t { vertical-align:top; cursor: pointe...
If you look at the class name .inIBeE3t , it seems like gibberish. This is actually a common practice for large-scale websites (like Facebook or Instagram) using tools like or Styled Components . This is the most important "UX" part of the code
The tab in your browser's DevTools will show you exactly which .inIBeE3t rules are being applied and what they are doing to that specific part of the page. Inspect CSS Rules | General Information .inIBeE3t { vertical-align:top; cursor: pointe...