div img {
    width: 20%;
}

#obrazek {
    transform: scale(1.25);
    padding: 20px;
}

#foto {
    width: 15%;
    margin: 10px;
}

.back {
    margin: 10px;
}

.jkkl {
    margin: 10px;
    padding: 10px;
}

.bzn button {
    margin: 10px;
    padding: 5px;
}

@media(max-width:640px) {

    .nahor {
        display: flex;
        flex-direction: column;
        text-align: center;
        align-items: center;
        justify-content: center;
    }

    #nahled {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        grid-template-rows: 1fr 1fr;
        text-align: center;
        align-items: center;
        justify-content: center;
    }

    #obrazek {
        transform: scale(2);
    }

    #foto {
        width: 90%;
    }
}