摘要： <style type="text/css">#nav { background-image: url(../images/tupian_14.jpg); }#nav ul { width: 900px; height: 32px; list-style-type: none; margin: 0px auto; padding: 0px; }#nav ul li { float: left; width: 127px; line-height: 32px; font-weight: normal; font-size: 14px; text-align: le 阅读全文