Code Inject

Add any code to your page or to your site or a third-party code by going to the Content Management System and select Project settings. At the toolbar at the top, select Code Inject, and here you have for the header and footer. This can also be done on a page-by-page basis. Select Pages, select the page in which you want to insert the code, and then on the right from the toolbar, select Code. Here you have for the Custom CSS, header and footer.