Make sure you validate your HTML and CSS, using a service like the W3C’s validator. This will warn you about obsolete tags and other errors that may make your HTML less robust.

In CSS, you can create keyframes and use them for animations on different elements of your Web pages, including buttons. Keyframes consist of a single, reusable animation with properties set at ...

Ryan Boudreaux includes all the code snippets you'll need in this demo of how to create an image hover-preview effect using HTML, CSS, and JavaScript.

Make any necessary changes to your blog's CSS code in the ... Enter your custom CSS code in the "Add Custom CSS" box. Click the "Apply to Blog" button ... How to Save a Doc in Word 2007 As HTML.