How to Get the Navigation Bar Under the Header in CSS. When you're coding a new website layout, it sometimes can be tricky to get the different elements in the exact positions you want.

If you’ve learned CSS from the ground up, you should have a good understanding of the box model. But if you’re unfamiliar ...

For example, when an HTML Div element has more text than it can display at once, the developer can specify that the Div hide the excess, rather than accommodate it with scroll bars.

Output: The results of executing the CSS, HTML, and JavaScript entered into the sections of the page. Figure A shows jsFiddle loaded in Internet Explorer 9 with empty code panes.