Making Drupal compatible with Internet Explorer's Compatibility Mode

Internet Explorer is a deadly trap for web developers. In fact a good amount of time is allotted to just ensuring a website's experience is uniform across different versions of the browser. The problem plaguing Internet Explorer is that each version has generally been released alongside a new iteration of the Windows operating system. With this life cycle certain operating systems get left behind (the dreaded era of Windows XP with IE8 is finally, somewhat over.)