Use this handy, simplified guide to quickly learn HTML and CSS -- a foundation of modern web development.

Header code here Navigation bar code here Load the style sheet containing your CSS code. If you do not use separate style sheets, the CSS will be located between the tags at the top of your HTML file.

If you use external CSS files to design and determine the design attributes; the HTML code will be clean and it will result to better search engine rankings.

Just as you would inject an attribute into HTML or CSS code, you can also inject data into JavaScript code. For example, to pass a variable from PHP to JavaScript, inject the value in the ...