To manually add a Button to your website, make sure you have switched on "Pro" mode.
You can add a button by dragging it from the bottom menu under the form tab.
While adding a form or input feature to your site, a button will appear.
Clicking on the button and choosing "Edit" from the menu will open the following screen:
*If you want to link a button to a page anchor, set up your button as you would normally. Then, under link, use the page name of the anchor as it’s written after the # sign.
For example, if you named the anchor “BookATable”, write #BookATable in the link section of the button. This will link your button to that specific anchor.
For example: