To hide this extra block just add the following CSS to make the extra box invisible:
li a[href="INSERT KNACK LINK PAGE HERE"] {
padding: 0px !important;
}
where you’ll need to add the href of the knack page. e.g. my page is called Support and so the href is “#support”. If you’re unsure of the href value you can also open the live app, right-click, choose “Inspect” and find the href of the element in the HTML.
It’s Open Source (public and free) and easy to setup - no code at all. Just go in the Builder, add a blank page and set its name to something like this: