.cards{
    margin-bottom: 40px
}

.functionalities{
    margin-bottom: 150px;
}

.hero img.flex-img{
    margin-left: 56px;
}

@media (max-width: 991px) {
    .cards{
        margin-bottom: -20px;
    }

    .functionalities{
        margin-bottom: 0px;
    }
}

@media (max-width: 499px) {
    .hero img.flex-img{
        margin-left: 36px;
    }
}