Create an HTML section for your navigation bar. In the HTML file for the page you are working with, locate the section you wish to add the navigation bar to. Use a element to contain it as follows ...

Open your HTML file in a text editor. Ensure that the divider for the navigation bar, identified with a tag, is located directly following the divider for the header.

According to Google, Portals will work with the help of a new HTML tag named < portal >. This tag works similarly to classic < iframe > tags, allowing web developers to embed remote content in ...