.topo_um { background: #0f1d66; padding: 10px 0; color: #FFF;}
.topo_dois { background: #0060ae; color: #FFF; border-radius:0 }
.banner { background: url("https://gestor.amapa.gov.br/img/logos/55ce558902e65c6819cf9c6ceaef181b.jpg") no-repeat;
    background-size: cover;
    -webkit-background-size: cover; /*Css safari e chrome*/
    -moz-background-size: cover; /*Css firefox*/
    -ms-background-size: cover; /*Css IE não use mer#^@%#*/
    -o-background-size: cover; /*Css Opera*/
}