.col-70 {
    width: 70%;
}


.col-50 {
    width: 50%;
}

.col-30 {
    width: 30%;
}

#body {
    display: flex;
    justify-content: space-between;
    gap: 20px;
}

@media screen and (max-width: 1070px) {
    #body {
        display: block;
    }

    .col-70, .col-50, .col-30 {
        width: 100%;
    }
}