.banner_2{
    background-image: url('http://localhost:8080/gn/assets/img/home/banner_2.jpg');
}

.banner{
    margin-top:60px;
    background-size: cover;height:502px
}

@media all and (max-width: 724px) {
    
    .banner{
        background-size: cover;
            height: 767px;
    }

}