Articles Index

What's the difference between display: none and visibility: hidden?

These properties may seem like they do the same thing, but they actually act differently.

How Can I Create a Watermark on a Web Page?

Learn how to create a watermark background image with just CSS.

What font units are available in CSS?

There are many ways you can specify the font size in CSS - font units like ems, ex, pixels, and points are all available for you to design your pages.

What should I name my CSS style sheet file?

Deciding on a filename for your CSS style sheet is important so that you don't forget what the document is and what it contains.

How can I create a variable-width container without a table?

The display: table; CSS property is not supported in IE. This means that the only way to get the look of a table with CSS is to use a table.

Why must the ID attribute be unique on each page?

Most browsers display styles on IDs and classes the same way, even if the ID is duplicated on the page. ID is shorter to type, why should I not duplicate it?