.auth-btn-box {
    text-align: center;
}

.auth-register-btn {
    margin-top: 30px;
}

.auth-btn {
    width: 75%;
}



@media (min-width: 720px) {
    .auth-btn {
        width: 50%;
    }

    .auth-register-btn {
        margin-top: 4em;
    }
}



@media (min-width: 1020px) {
    .auth-btn {
        width: 75%;
    }
}