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<textarea id="runcode47430"><! DOCTYPE HTML PUBLIC "-//W3C//DTD XHTML 1.0 transitional//en" "Http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd "> <ptml xmlns=" http://www.w3.org/1999/xhtml "> <pead> <meta http-equiv=" Content-type "content=" text/html; Charset=utf-8 "/> <title>untitled document</title> <style type=" Text/css "> aa{Font-fami Ly:verdana, Arial, Helvetica, Sans-serif; font-size:12px; Background-color: #FF0000!important}. bb{Font-family:verdana, Arial, Helvetica, Sans-serif; font-size:12px; Background-color: #FF0000; } </style> </pead> <body> The following two div styles are basically the same, but the first plug-in (understand my meaning on the line) style: Background-color a!important behind, So, although the first Div line CSS also defines the Background-color, but it is referring to the plug-in Background-color, the other is not specified!important, is covered by the style in the line. Included in class: Styles not included in the!important style </body> </ptml></textarea>
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