.icons-bg {
    background-image: url('../img/icons-bg.png');
    background-size: cover;
    background-position: top;
}
.hero-image {
    background-image: url('../img/trainers_gym.jpg');
    background-size: cover;
    background-position: top;
}



@media (max-width: 768px) {
    .hero-image {
        background-image: url('../img/trainers-gym-sm.jpg');
    }
}