'margin' is applied to
+----------------+--------------------------------------------------------------+ | Applied_To |<a> <acronym> | | |<b> <bdo> | | |<big> <blockquote> | | |<body> <button> | | |<caption> <center> | | |<cite> <code> | | |currentStyle <custom> | | |<dd> defaults | | |<del> <dfn> | | |<dir> <div> | | |<dl> <dt> | | |<em> <embed> | | |<fieldset> <font> | | |<form> <hn> | | |<hr> <i> | | |<iframe> <img> | | |<input type="button"> <input type="checkbox"> | | |<input type="file"> <input type="image"> | | |<input type="password"> <input type="radio"> | | |<input type="reset"> <input type="submit"> | | |<input type="text"> <ins> | | |<isindex> <kbd> | | |<label> <li> | | |<listing> <marquee> | | |<menu> <nobr> | | |<object> <ol> | | |<p> <pre> | | |<q> runtimeStyle | | |<s> <samp> | | |<small> <span> | | |<strike> <strong> | | |style <sub> | | |<sup> <table> | | |<td> <textarea> | | |<th> <tt> | | |<u> <ul> | | |<var> <xmp> | +----------------+--------------------------------------------------------------+