<!DOCTYPE HTML> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=gb2312"> <title>className属性</title> <style> body{ font-size:16px;} .one{ border:1px solid #eee; width:230px; height:50px; background:#ccc; color:red; } .two{ border:1px solid #ccc; wi
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