You can add or remove the button's template in Customize > Header > Header Text Area:
1. You can edit the button's template in VamTam Builder > Saved Rows
Locate the "Button header" saved row and click on the VamTam Builder link:
2. You can edit the button's text, link and style (background and hover colour, font colour and size) using the Vamtam Beaver Builder (please check Guide to Vamtam Beaver Builder):
Next, you have to create a Page Builder shortcode (please check https://kb.wpbeaverbuilder.com/article/192-use-shortcodes-in-your-layouts)
Last step is to add the saved row shortcode into the Header text area.
How to recover the Button's template
If you've deleted the Button's template and you need to recover it, please download the attached file (click with the right mouse button and then Save As XML) and import it into your installation following the steps below:
Dashboard > Tools > Import > WordPress
If you haven't installed WordPress Importer plugin you'll see an error. Please proceed to install the plugin:
Please choose the import file, then click on the "Upload file and import" button.
Please assign posts to an existing user - choose from the drop-down menu. Please make a tick to "Download and import attachments" and click on the "Submit" button.
You'll see All done! on your Dashboard if everything is imported correctly: