@-moz-document url-prefix("chrome:") {
    :root {
        --zen-colors-primary: black !important;
        --zen-colors-secondary: rgba(255, 217, 0, 0.8) !important;
        --zen-colors-tertiary: black !important;
        --zen-colors-border: rgba(255, 217, 0, 0.4) !important;
        --zen-dialog-background: black !important;
    }

}