一个样式 图片background-image
ul#navigation .home a{background-image:url(../images/home.png);}ul#navigation .about a{background-image:url(../images/id_card.png);}ul#navigation .search a{background-image:url(../images/search.png);}ul#navigation .podcasts a{background-image:url(../images/ipod.png);}ul#navigation .rssfeed a{background-image:url(../images/rss.png);}ul#navigation .photos a{background-image:url(../images/camera.png);}ul#navigation .contact a{background-image:url(../images/mail.png);}.atable thead td{border-color: #f8b64a;border-top: 1px solid orange;height: 26px;line-height: 26px;}.atable tbody td{border-color: #f8b64a; border-bottom: 1px dotted orange;height: 25px; line-height: 15px;}.atable tfoot td{border-color: #f8b64a;border-bottom: 1px solid orange;height: 30px;line-height: 30px;}