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.comment-text p.meta { color: #ffffff; }

Put that in your child theme’s style.css file or if you have custom css file for your theme, you can use that.

Thanks Roy. I tried, but it does not work :/ As you can see here : https://viticulteur-exemple.fr/produit/chateau-la-pousse-blanc-2012

Try it with !important

Perfect ! it works.
Thanks very much, i did not know this tip