@media (min-width:640px) {
    
    #grid_products_main_section .div_general_seccio_familia {
        margin-top: 0;
    }
    
    #grid_products_main_section .banner_individual_seccio_familia {
        width: 32.5%;
        margin-right: 1%;
    }
    
    #grid_products_main_section .banner_individual_seccio_familia:nth-child(3n) {
        margin-right: 0%;
    }
}