theme.park/css/addons/bazarr/bazarr-4k-logo/bazarr-4k-logo.css

    .mantine-Avatar-root[class*="bazarr-"] img {
        display: none !important;
    }

    .mantine-Avatar-root[class*="bazarr-"]:before {
        background-image: url("/css/addons/bazarr/bazarr-4k-logo/bazarr4k.png");
        display: inline-block;
        width: 32px;
        height: 32px;
        content: "";
        background-size: cover;
        -webkit-background-size: cover;
        -moz-background-size: cover;
        -o-background-size: cover;
    }

    #root>div>nav>div>div.mantine-Group-root.mantine-Group-child[class*="bazarr-"]>div>span:after {
        content: " 4K";
    }