Using new WordPress plugin Simple Tooltips you can display Toolstips in your custom color when targeted element is hovered in your WordPress site content. The plugin is mobile compatible, when using mobile devices your tooltips will shows up when targeted element is tapped.
Installation & Usage: By default this plugin shows up white text on black background but you can easily pick your tooltip color from Dashboard -> Settings –> Simple Tooltips page.
How to define a tooltip inside your blog post ?
Simply add class “tooltips” to the target html element. The title attribute will be used for tooltip content, see the given screenshot.