To enable easy navigation within the categories, Mercury offers drop down menus. With this help, a navigation, without reloading the page, within the categories created.
Demo of navigating within a category tree:
Clicking on the category name then redirects to the selected category and underlying campaigns are displayed.
In addition, the category path appears in the upper right corner next to the Mercury logo. By clicking on one of the path elements, you can directly switch to the corresponding (sub)category.