@for $i from 1 through 60 {
    .ds_\!_off-l-#{$i} {
        left: $i * 0.5rem !important;
    }
}

@for $i from 1 through 60 {
    .ds_\!_off-b-#{$i} {
        bottom: $i * 0.5rem !important;
    }
}