No-Library (pure JS), HTML, CSS, JavaScript
As of 1/20/2013, this demo won't work in Chrome since Chrome (at that time) didn't permit the animating of pseudo-elements.
jQuery 1.9.1, HTML, CSS, JavaScript
Mootools 1.4.5, HTML, CSS, JavaScript
Source: http://stackoverflow.com/questions/14291082/ie-9-ignores-margin-bottom-of-last-element-on-page
Based on a question from StackOverflow. While this technically works, it's heavy and the rendering of the iframes isn't good - use thumbnails of the sites instead.
jQuery 1.8.3, HTML, CSS, JavaScript
See: http://stackoverflow.com/a/14250097/54680
jQuery 1.7.2, HTML, CSS, JavaScript
Which events are raised by which browsers following a transition.