DZS Tooltip is a modern, feature-rich, customizable tooltip. All that needs to be done is select the text in the wordpress editor, click the shortcode generator, and enter the tooltip text.
Demo https://codecanyon.net/item/wordpress-tooltip-ultimate-customisable-tooltip-generator/20803051
Downloadhttps://www.filecad.com/iaRe/WordPress-Tooltip-Ultimate-v1.02.rar