:root{
        --img-newsletter: url("https://cdn.awsli.com.br/94/94653/arquivos/newsletter_preta.png") !important;
    }

    
#barraNewsletter, #barraNewsletter .show-hide, #barraNewsletter .componente, #barraNewsletter.posicao-rodape .conteiner {
    background-color: #000000 !important;
}