@media (min-width: 576px) and (max-width: 767.98px) {

    .service-col {
        text-align: center;
    }
    #service-mark h2:before {
        left: unset;
    }
}

@media (min-width: 768px) and (max-width: 991.98px) {
    .service-col {
        text-align: center;
    }
    #service-mark h2:before {
        left: unset;
    }
}