The likely problems are incorrect ordering in HTML files or incorrect usage of the "float" CSS command. Open your HTML file in a text editor. Ensure that the divider for the navigation bar ...

Right-click the website HTML page that contains your navigation bar. Click "Open With," then click your HTML editor. Locate the "div" tag that contains your navigation links.

The navigation bar will now look like: As you can see, we have a problem. The list items are presented together with no spaces between items. We can solve this by adding: nav ul li {float:left ...