Grav-Admin-Plugin/themes/grav/templates/forms/fields/element/element.html.twig

{% extends "forms/field.html.twig" %}

{% block field %}
  {% set parent = parent_name|parent_field %}
  {% set plain_name = (field.plain_name ?? field.name)|string %}
  {% set name = parent ~ '.' ~ plain_name %}
  {% if field.field %}
    {% set fields = prepare_form_fields({(name): field.field}) %}
  {% else %}
    {% set fields = prepare_form_fields(field.fields, name) %}
  {% endif %}

  {% embed 'forms/default/fields.html.twig' with {name: name, fields: fields} %}
    {% set initial_state = plain_name is not same as (parent_value|string) ? 'display: none;' %}
    {% block outer_markup_field_open %}
      <div id="{{ parent_name ~ '__' ~ plain_name }}" class="form-element" style="{{ initial_state }}">
    {% endblock %}

    {% block outer_markup_field_close %}
        </div>
    {% endblock %}
  {% endembed %}
{% endblock %}