#tarja-informativa .conteudo ul li img {
    position: inherit;
    width: 1596px;
    max-width: 100%;
    height: 96px;
    max-height: 100%;
    margin-left: auto;
    margin-right: auto;
}
@media screen and (max-width: 600px){
    #tarja-informativa .conteudo ul li img {
    width: 600px;
    height:36px;
}
}