.field-error input,
.field-error textarea {
    border: 2px solid #e74c3c !important;
    background-color: #fdf2f2 !important;
}
.field-error .nf-field-label label {
    color: #e74c3c !important;
}
.checkbox-error {
    outline: 2px solid #e74c3c;
    outline-offset: 3px;
}
.form-error-message {
    background: #fdf2f2;
    border: 1px solid #e74c3c;
    color: #c0392b;
    padding: 15px;
    border-radius: 6px;
    margin-bottom: 20px;
    font-weight: 500;
}
.form-error-message ul {
    margin: 10px 0 0 20px;
    padding: 0;
}