#casa_bn {
    position: absolute;
    width: 220px;
    left: 838px;
    top: 174px;
}

.empresas_bn{
    width: 200px;
    position: absolute;
    left: 374px;
    z-index: 1;
    top: 248px;
}
.empresas-2_bn{
    width: 230px;
    position: absolute;    
    left: 358px;
    top: 244px;

}
.fabrica_bn{
    width: 200px;
    position: absolute;
    left: 143px;
    top: 227px;
}
.oficina_bn{
    width: 230px;
    position: absolute;
    left: 808px;
    top: 280px;
}
.palacio_bn{
    width: 210px;
    position: absolute;
    left: 627px;
    top: 225px;
}
.puerto_bn{
    width: 215px;
    position: absolute;
    left: 164px;
    top: 380px;
}