Highlight Text not working on HTML href links

[NasrullahKhan]

Highlight Text color not change on HTML href links, please help i have project delivery. on other string it's working fine.

<a href="https://www.google.com" target="_blank">Version 1, [highlighted-element id=456]book[/highlighted-element] 1, In the earth Chapter 1</a>

NOTE: i also tried interactive element, interactive element colors are not changing, even i changed the code from app library from .blue to other color.