Links

How to Add Inline Highlighting to Text

Highlighting text is incredibly simple
Inline Highlighting in the WordPress Block Editor
Inline highlighting is very simple. Simply highlight some text in the block editor, and select Inline Social Highlight.
Select Inline Social Highlight to Highlight Text
If you need to highlight text outside of the block editor, just wrap a span element around the text and give it a class of has-inline-text.
Sample HTML code
<span class="has-inline-text">Text to Highlight</span>