@media screen and (min-width: 1200px) and (max-width: 1799px) {
    /* Your CSS rules here */
    /* For example: */
    h3.promo.promo--big.left.fix_services_size {
        font-size: 75px !important;
        right: 0%;
    }

    .list_title {
        font-size: 39px;
    }

    .list_description {
        font-size: 23px;
    }

    .my_big_title {
        font-size: 72px;
    }

    .simple_content_text {
        font-size: 24px;
    }
    
  
    /* Add more CSS rules specific to this screen size range */
  }