But you don’t need to use it, and your sites can still look good without it. How Do CSS and HTML Work Together? If you ...

The preferred practice is to put style information in a separate file with a .css extension. Using formatting information contained within an external cascading style sheet is accomplished via the ...

For example, you can use an image as a clicking button for a particular link. The problem is that the browser displays a border around this image. To remove the border in HTML/CSS, you need to change ...