Ed Tittel

Lists are powerful tools for grouping similar elements, and lists give visitors to your site an easy way to zoom in on groups of information. Just about anything fits in a list, from sets of instructions to collections of links. Definition lists group terms and definitions into a single list and require three elements to complete the list: : Holds the list definitions (dl = definition list) : Defines a term in the list (dt = definition term) : Defines a definition for a term (dd = definition list definition) You can have as many terms (defined by ) in a list () as you need.

Two big categories of strategies have been employed over the years to support web design for mobile devices: graceful degradation and progressive enhancement. Much of the web is currently nearly unusable on mobile devices because it was designed for desktop browsers and doesn't adapt well to small screens. Mobile web users are often forced to zoom, scroll, pinch, squint, and make their fingers as small as possible to use the majority of websites designed more than a couple years ago.

Hypertext Markup Language (HTML) and the Cascading Style Sheet (CSS) language are the lifeblood of web pages. Even experienced web designers and authors need help sometimes. This Cheat Sheet provides a quick color code guide, a table of HTML5 elements, and a table of CSS properties.Named colors and hex values in HTMLThe following table contains a list of named colors you can use in HTML and CSS code to create a more colorful website.

All web developers have essential sites they refer to over and over. Some resources are so good and so important that they make pretty much everyone's list, no matter what your skill level or how many years (or days?) of experience you may have. The following sites are some of the best of the best resources for any budding or experienced HTML5 developer.

Appearing in alphabetical order is a list of all the HTML5 elements contained in the current HTML5 specification. A brief description is included as a quick reference when looking for the perfect element. Element Description A Use to create hyperlinks Abbr Use for abbreviations address Contact information Area Hyperlink in an image-map article* Provides section formatting for short expository items like articles, blogs, etc.

The following table shows CSS properties that are supported by most browsers today, along with their allowed values. Some of these properties are part of CSS3 specifications and are still experimental, so be sure to check with the Can I Use site for the latest information on browser support. (For help reading the Values column of this chart, see the article “A Quick Guide to the CSS Value Definition Syntax” at www.

The following table contains a list of named colors you can use in HTML and CSS code to create a more colorful website. The colors are shown with their corresponding RGB hexcode values along with a representative color swatch. Name Hexcode Aqua #00FFFF Black #000000 Blue #0000FF Fuchsia #FF00FF

The CSS specifications, created by the World Wide Web Consortium (W3C), define the syntax and possible values of all CSS properties. To make definitions as precise as possible, the W3C uses a formal system called CSS value definition syntax. Although the definition syntax defines possible values very precisely, reading the syntax that CSS value definitions are written in can be difficult without a key.

One of the exciting new parts of HTML5 is the canvas element. Using canvas, you can draw bitmap graphics inside the browser window. What's even more impressive and useful is that you can write a program that will draw graphics on the fly inside the browser window. How does canvas work? The canvas element creates a container, or canvas, upon which you can draw graphics.