.issa-hero-domotica{
    background-image:url(../img/domotica-background.jpg);
}
.issa-full-width_background_image-domotica{
    background-image:url(../img/domotica-half-back.jpg);
}

.issa-cross-iluminacion{
    background-image:url(../img/iluminacion-cross-back.jpg);
}