.row1, .row2 {
    padding: 80px 0;
}

.row2 {
    background-color: #f2f2f2;
}

@media only screen and (min-width: 1200px) {
    header {
        margin-bottom: -350px;
    }
}
@media only screen and (min-width: 1400px) {
    header {
        margin-bottom: 0;
    }
}

@media only screen and (min-width: 1920px) {

}