.auth-one-bg {
    background-image: url(/img/flight_bg.jpg);
    background-position: center;
    background-size: cover;
}

    .auth-one-bg .bg-overlay {
        background: -webkit-gradient(linear, left top, right top, from(#003aff), to(#000000));
        background: linear-gradient(to right, #003aff, #000000);
    }

.btn {
    box-shadow: none;
}