@media (max-width: 575px) {
    .choose-exam-btn {
        position: absolute;
        bottom: 20px;
        right: 10%;
        z-index: 99;
        font-size: 20px;
    }
}

@media (min-width: 576px) {

    .choose-exam-btn {
        position: absolute;
        bottom: 40px;
        right: 20%;
    }

}

@media (min-width: 768px) {
}

@media (min-width: 992px) {
}


@media (min-width: 1200px) {
    .choose-exam-btn {
        position: absolute;
        bottom: 40px;
        right: 25%;
    }
}


@media (min-width: 1400px) {
    .choose-exam-btn {
        position: absolute;
        bottom: 40px;
        right: 25%;
    }
}

@media (min-width: 1800px) {
    .choose-exam-btn {
        position: absolute;
        bottom: 40px;
        right: 30%;
    }
}

@media (min-width: 2400px) {
    .choose-exam-btn {
        position: absolute;
        bottom: 40px;
        right: 35%;
    }
}