Use CSS code to style your site headers with borders and other design elements. HTML and CSS use a box model, which means that page elements include margins, padding, background colors and ...

If you do not use separate style sheets, the CSS will be located between the tags at the top of your HTML file. Scan through the CSS code and and locate the section governing the header. It begins ...

The ! important flag ensures that your CSS styles override those of the page itself. Effectively, what this does is to add these lines to the header of your HTML page: ...