You can use the Highlight macro to create highlighted text. For instructions, refer to the following plugin help page:
https://docs.adaptavist.com/cfm/confluence/server/latest/macros/highlight.html 
In the macro panel, enter the text that you want to highlight. The output is inline; enter a nonbreaking space in the XHTML before the macro to properly space the output in the sentence.
An example follows:highlighted text
