function mymodule_theme_registry_alter(&$theme_registry) {
  $theme_registry['toolbar']['path'] = $theme_registry['toolbar']['theme path'] = drupal_get_path('module', 'mymodule');
}

<div id="toolbar" class="<?php print $classes; ?> clearfix"></div>

<a class="link colorbox-node" href="/node/304?width=420&height=150" >Закажи звонок!</a>

/**
 * Implements hook_page_attachments().
 */
function module_page_attachments(array &$page) {
  $request = \Drupal::request()->getRequestUri();
  $nid = NULL;
  if (substr($request, 0, 6) == '/node/') {
    $nid = substr($request, 6);
  } else {

//не забываем
use Drupal\Core\Database\Database;
use Drupal\Core\Database\Query\Select;
 
//далее просто пример моего запроса
$connection = Database::getConnection();
$sql = new Select('node__field_tags', 'ft', $connection);
$sql->condition('field_tags_target_id', $tids, 'in');
$sql->leftJoin('taxonomy_term_field_data', 'tfd', 'tfd.tid=ft.field_tags_target_id');
$sql->leftJoin('node_field_data','nfd', 'nfd.nid=ft.entity_id');
$sql->fields('ft', array('field_tags_target_id', 'entity_id'));
$sql->fields('tfd', array('name'));

$current_uri = \Drupal::request()->getRequestUri();

function template_preprocess_views_view_field(&$vars) {
  $field_id = $vars['field']->options['id'];
  $views_name = $vars['view']->id();
  $display_name = $vars['view']->getDisplay()->display['id'];
  $vars['theme_hook_original'] =  'views_view_field__' . $views_name . '__' . $display_name . '__' . $field_id;
}

function template_preprocess_views_view_fields(&$vars) {
  $views_name = $vars['view']->id();

map_render:
  js:
    js/infobox.js: {}
    js/markerclusterer.js: {}
    js/map_render.js: {}
  css:
    base:
      css/map_base.css: {}
    layout:
      css/map_layout.css: {}
    component:
      css/map_component.css: {}
    state:
      css/map_state.css: {}
    theme:
      css/map_theme.css: {}