{"name":"margin-bottom","description":"The bottom margin of a box.","keywords":["css","property","margin-bottom","margin","bottom"],"longDescription":"","syntax":["margin-bottom: <length> | <percentage> | auto;"],"values":{"<length>":{"description":"<p>Specifies a fixed width.<\/p>"},"<percentage>":{"description":"<p>The percentage is relative to the width of the containing block, not the height (at least in a horizontal flow; in a vertical flow they are relative to the height).<\/p>"},"auto":{"description":""}},"versions":{"doc1":"http:\/\/www.w3.org\/TR\/CSS1\/#margin-bottom","doc2":"http:\/\/www.w3.org\/TR\/CSS2\/box.html#propdef-margin-bottom","doc21":"http:\/\/www.w3.org\/TR\/CSS21\/box.html#propdef-margin-bottom","doc3":"http:\/\/www.w3.org\/TR\/css3-box\/#margin-bottom"}}