Why do some white letters and icons look uneven on a black background?

Question

css

Hello!
Why does everything look fine on a white background in black, but in white on black it turns out that some letters with extra scuffs on top? For example Г, Еit is very noticeable, and indeed the white font on black is worse.
How to fix it?

Answer 1

These are features of not very high-quality font rendering in Google Chrome.