The jQBoxModel plugin is a plugin for jQuery that allows you to quickly prototype complex layouts. This plugin was developed to streamline the page layout process by using % widths to have your main content width take up a percentage of the

CSS 2.1 introduced advanced selectors with basic expressions that allow you to more easily target elements in the DOM for styling without creating extra classes in your HTML markup. Modern browser all offer support for this but IE only offers partial support in version 8. Here is a jquery plug-in to help earlier versions of Internet Explorer use these techniques.