案例：CSS3 案例     状态：可编辑再运行    进入横版
​x
 
1
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
2
<html>
3
<head>
4
<style type="text/css">
5
table
6
  {
7
  border-collapse:collapse;
8
  }
9
​
10
table, td, th
11
  {
12
  border:1px solid black;
13
  }
14
</style>
15
</head>
16
​
17
<body>
18
<table>
19
<tr>
20
<th>Firstname</th>
21
<th>Lastname</th>
22
</tr>
23
<tr>
24
<td>Bill</td>

 运行结果　
　北美留学生论坛