.promo_div{
    padding: 0;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.promo_picture{
    display: block;
    width: 100%;
}

.promo_img{
    width: 100%;
}

.promo_body{
    max-width: 1200px;
    padding: 0 1rem;
    margin: 3rem auto;
    font-size: 18px;
}

.promo_block{
    margin-bottom: 1.7rem;
}
.promo_block:last-child{
    margin-bottom: 0;
}

@media screen and (max-width: 600px) {
    h1{
        font-size: 28px;
    }
}