form .form-fieldset {
    border: none;
    padding: 0;
}

form .form-fieldset input {
    transition: border 500ms ease-in-out;
}

form .form-fieldset input.invalid,
form .form-fieldset input.invalid:invalid {
    border: solid 2px red;
}

form .form-fieldset div.validity-error {
    color: red;
    margin-top: 4px;
    padding-left: 4px;
}

form .form-fieldset div.form-row.error {
    color: red;
}