How do I make an info icon in HTML?
To insert an icon, add the name of the icon class to any inline HTML element. The <i> and <span> elements are widely used to add icons. All the icons in the icon libraries below, are scalable vector icons that can be customized with CSS (size, color, shadow, etc.)
How do I add tooltip to Font Awesome icon?
Fontawesome - Tooltip
use i or span used to add an icon in HTML. To add a tooltip to this icon, we can use the title attribute. Sometimes if you are using some plugins or code that uses '::before' in the existing page, Tooltip might not work.