body {
    background-image: url("/images/bg-01.jpg");
    background-size: cover;
    background-position: center;
}

.authentication-main .auth-innerright .card-body .theme-form {
    width: calc(100%);
}
.cont {
    width: 500px;
    background: #fff;
}

.authentication-main .auth-innerright .card-body {
    background-color: transparent;
}

@media only screen and (max-width: 991px){
    .authentication-main .auth-innerright .card-body .theme-form {
        margin-top: 0px;
        width: 100%;
    }
}

@media only screen and (max-width: 991px){
    .cont {
        width: 100%;
    }
}