How to set size_t highlighting in CLion?

Question

Syntax highlighting

By default, in the "Darcula" CLion theme, size_t is highlighted in white, not in orange like int or long long, but I would like to make such a setting so that size_t is also highlighted in orange, I searched for a long time how to do this, but I did not find it, I will be very I'm glad if someone can help me :(