.section-how-to-buy .button {
    margin-top: 20px
}

@media only screen and (max-width: 1068px) {
    .section-how-to-buy .button {
        margin-top: 10px
    }
}

@media only screen and (max-width: 734px) {
    .section-how-to-buy .button {
        margin-top: 13px
    }
}