Evgeny
    Keymaster
    Posts: 1004
    July 19, 2019 at 2:20 pm #43984

    They are actually white by design. We will look into it in the next release. In the meanwhile, you can change the color of the background with the following:
    .comment.depth-1 {
    background: #2C302E;
    border:#2C302E;
    }

    The hex colors you can change to what you need.