absowoot

<?php

add_filter('builder/settings/page/controls_data', function ($data) {
    $data['controlGroups']['landing-page-options'] = array(
        'title' => 'Landing Page Options',
    );

    $data['controls']['testField'] = array(
        'group' => 'landing-page-options',
        'type' => 'text',

absowoot

<?php


function zestsms_load_custom_bb_extensions() {
	if(class_exists('FLBuilder')) {
    add_filter('fl_builder_register_settings_form', 'zestsms_extend_column_settings', 10, 2);
    add_filter('fl_builder_render_css', 'zestsms_add_column_css', 10, 3);
	}
}
add_action( 'after_setup_theme', 'zestsms_load_custom_bb_extensions' );

absowoot

<header>
  <div class="wrapper">
    <div id="logo"><a href="#"><h1>Test</h1></a></div>
    <div id="menu"><ul>
      <li><a href="#">Link 1</a></li>
      <li><a href="#">Link 2</a></li>
      <li><a href="#">Link 3</a></li>
      <li><a href="#">Link 4</a></li>
      <li><a href="#">Link 5</a></li>
    </ul></div>