@media (max-width: 575.98px) {
    .btn1,.btn2{font-size: 18px !important;}
}

@media (max-width: 767.98px) { }

@media (max-width: 991.98px) { }

@media (max-width: 1199.98px) { }

@media (max-width: 1399.98px) { }