@media (min-width: 577px) and (max-width: 768px) {

    .fs-18 {
        font-size: 15px;
    }

    .fs-21 {
        font-size: 17px;
    }

    .fs-26 {
        font-size: 20px;
    }

    .fs-34 {
        font-size: 25px;
    }

    .fs-45 {
        font-size: 34px;
    }

    .mb-100 {
        margin-bottom: 70px;
    } 

    .width-50{
        width: 35px;
    }

}