This task can be performed using Highlight CSS
Text Highlighter CSS Generator
Best product for this task

Highlight CSS
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Save time highlighting text on webpages. Generate custom CSS code to highlight text and easily copy it to your clipboard.

What to expect from an ideal product
- Quickly identify and select the text you want to highlight on any webpage.
- Generate custom CSS code instantly with just a few clicks.
- Easily copy the generated CSS code to your clipboard in one step.
- Save time by avoiding manual coding and repetitive tasks.
- Enhance webpage visuals effortlessly with precise text highlighting.