HTML and CSS Validation
To validate your work is to check it against the rules of the languages. It is similar to your English teacher reading your paper and marking misspellings and grammar mistakes.
HTML Validation
CSS Validation
http://jigsaw.w3.org/css-validator/
Unless I tell you differently, you can expect to have to validate both the HTML and CSS of all webpages/sites you create in this class and prove it by printing the success pages.






