That should have worked. I just logged a ticket with scraping support. I'll let you know when it is fixed.

Seems to be a plugin conflict with Interlinks Manager. If you de-activate it then it starts working.

Try turning off the slider and create a grid review template.

You can use this CSS in the custom CSS for the review template.

.wprevpro_t1_DIV_2:before {
color: #695656;
}

You can find hex values here...

https://www.w3schools.com/colors/colors_picker.asp

It should be something like this...

https://www.productreview.com.au/listings/jims-cleaning-group-car-detailing

What are you using?

The best way to find CSS selectors is to right-click on the element > inspect.