Hello,

1. Please use the below custom CSS code:

.product_meta span.sku_wrapper span {
    color: red;
}
.product_meta span.posted_in a {
    color: red;
}
.product_meta span.posted_in span {
    color: red;
}
.product_meta span.tagged_as span {
    color: red;
}
.product_meta span.tagged_as a {
    color: red;
}
.product_meta span.tagged_as a {
    color: red;
}

2. Solved. Please check the site after removing the browser cache.

Best Regards.