.login-form {
    width: 100%;
    max-width: 400px;
}

.login-form .field-wrapper {
    display: flex;
    flex-direction: column;
    flex-grow: 1;
    flex-basis: 0;
    max-width: 100%;
}

.login-form .field-wrapper {
    margin-bottom: 1em;
}