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
This ensures that the style for a specific "Back to Top" button or "Submit" icon doesn't accidentally change the look of every other button on the page. Breaking Down the Style The snippet you provided contains two common instructions: vertical-align: top; .inIBeE3t { vertical-align:top; cursor: pointe...
This is a universal signal to users that "this item is clickable," even if it doesn't look like a traditional button. How to See it in Action The tab in your browser's DevTools will show
The CSS class is likely an auto-generated, hashed class name used by modern web frameworks to ensure "scoped" styling. How to See it in Action The CSS
If you want to find out exactly where this class is used on a page you are browsing: the element you're curious about. Select Inspect (Chrome/Edge) or Inspect Element (Firefox).