dojo/tests/functional/window/iframe_content/htmlPadding.html

Dojo core is a powerful, lightweight library that makes common tasks quicker and easier. Animate elements, manipulate the DOM, and query with easy CSS syntax, all without sacrificing performance.

<hr style="height:50px;width:20px;"/>
<input id=it style="display:block;clear:both;float:left;z-index:100;">
<hr style="clear:both;height:50px;width:20px;"/>