No-Library (pure JS), HTML, CSS, JavaScript
jQuery 1.7.2, HTML, CSS, JavaScript
Mootools 1.3.2, HTML, CSS, JavaScript
Always a square on the left side, increasing the right side proportional width once resolution is down to iPhone size
Lists user Fiddles (new API). Using JSONP.
Mootools 1.4.5, HTML, CSS, JavaScript
With Sticky Footer
Mootools 1.3.1 (compat), HTML, CSS, JavaScript