@media (max-width: 991px) {
    .login-card {
        width: 100%;
        max-width: 428px;
        min-width: 320px;
        height: auto;
        min-height: 500px;
        margin: 20px auto;
    }
}

@media (max-width: 320px) {
    body {
        min-width: 320px;
        overflow-x: auto;
    }
}