@media screen {
    body.klassin-ui #login-container { display: block; padding: 0; background: #f6f3eb; overflow: hidden; }
    body.klassin-ui #login-container.hidden { display: none; }
    body.klassin-ui #login-container > :not(#login-original-frame) { display: none !important; }
    #login-original-frame { display: block; width: 100%; height: 100%; border: 0; background: #f6f3eb; }
}