Here we use the Default Theme in Drupal and we position our menu relative to a Drupal "Block". In specific, the menu is placed at the header of the site.
How?
First, we positioned the Drupal block where we wanted in the Drupal site.
Then, in AllWebMenus "Positioning" property we used the "Relative to an Element" option and selected the "Default ID" option

These are the settings for the Block's positioning property in the Drupal admin area:

This is how the menu will look in your site's homepage:

Click on the image to view the example live