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 ...

How do I learn to code in HTML and CSS on my Mac? Web design is one of the most useful skills you can learn, and it’s easy to learn HTML and CSS (the two main pillars of web pages) in Mac OS X.

Left navigation bars display the links for your readers to find categories and topic pages. By default, the navigation bar stops rendering after the last link displays. You can use the CSS "height ...