//css样式的书写//元素ID
#tb1{width:100%;height:80px;background-color:#FFD700;padding:4px;font-family:verdana,tahoma;font-weight:bold;}#tb2{width:100%;padding:4px;font-family:verdana,tahoma;margin:12px 0px 0px 0px;background-color:#EEEEEE;font-weight:bold;}//类.test{cursor:hand; border-right: white thin inset; border-top: black thin inset; border-left: black thin inset; border-bottom: white thin inset; }.post1{ cursor:move; background:red; color:Navy; border-right: black thin inset;}//元素body{ background-color:Gray:} //css样式的运用<html><head runat="server"> <title>无标题页</title> //引入css样式文件 <link type ="text/css" rel = "stylesheet" href = StyleSheet.css /></head>//样式元素的应用，元素名字相同自动套用<body> <form id="form1" runat="server"> <div> //样式元素ID的应用 <table id = "tb1" border = 1; type = "font-size;13pt; align;center;"> <tr> //自己使用css样式style=样式 <td style="width: 134px; height: 19px">dsfdf</td> </tr> </table> </div> <table id = "tb2" style="width: 168px"> <tr> //样式类的应用 <td class = "post1">啊啊啊啊啊啊啊啊</td> </tr> </table> </form></body></html>