This is called a co-occurance constraint, and it's not possible in W3C XML Schema. You can do this with Schematron or RelaxNG, which uses XSLT internally to provide this functionality. Most of the time,
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Most of the sites are being standardized with W3C Web Standards. W3C provides lot of web standard services to the web. They have the web specification, process and documentation for all the web standards. You can apply HTML, CSS and Accessibility st…
This article introduces an authentication and authorization system for a website. It is understood by the author and the project contributors that there is no such thing as a "one size fits all" system. That being said, there is a certa…
The viewer will receive an overview of the basics of CSS showing inline styles.
In the head tags set up your style tags:
Reference the nav tag and set your properties.: (CODE)
Set the reference for the UL element and styles for it to ensu…