.carnaval-banner-topo { display:flex; justify-content:center; padding:64px 20px 0; }
.carnaval-banner-topo > .atr-ad { width:970px; max-width:100%; min-height:90px; background-color:#600d80; border:1px dashed #8e1085; box-sizing:border-box; }
@media(max-width:768px) {
    .carnaval-banner-topo { padding-top:44px; }
    .carnaval-banner-topo > .atr-ad { width:300px; min-height:100px; }
}