如图：
html代码：
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
<html>
<head>
<title>统一站内风格</title>
<link rel="stylesheet" type="test/css" href="mycss.css">
</head>
<body>
<form action="">
<table align="center">
<tr>
<td>用户名：</td><td><input type="text" name="name"/></td>
</tr>
<tr>
<td>密码：</td><td><input type="password" name="pwd"/></td>
</tr>
<tr>
<td>确认密码：</td><td><input type="password" name="pwd1"/></td>
</tr>
<tr>
<td>性别：</td>
<td><input type="radio" name="sex" value="m"/>男</td>
<td><input type="radio" name="sex" value="f"/>女</td>
</tr>
<tr>
<td>年龄：</td>
<td><input type="text" name="age" /></td>
</tr>
<tr>
<td><input class="botton1" type="submit" value="注册" /></td>
<td><input class="botton2" type="button" value="重置"/></td>
</tr>
</table>
</form>
</body>
</html>
<html>
<head>
<title>统一站内风格</title>
<link rel="stylesheet" type="test/css" href="mycss.css">
</head>
<body>
<form action="">
<table align="center">
<tr>
<td>用户名：</td><td><input type="text" name="name"/></td>
</tr>
<tr>
<td>密码：</td><td><input type="password" name="pwd"/></td>
</tr>
<tr>
<td>确认密码：</td><td><input type="password" name="pwd1"/></td>
</tr>
<tr>
<td>性别：</td>
<td><input type="radio" name="sex" value="m"/>男</td>
<td><input type="radio" name="sex" value="f"/>女</td>
</tr>
<tr>
<td>年龄：</td>
<td><input type="text" name="age" /></td>
</tr>
<tr>
<td><input class="botton1" type="submit" value="注册" /></td>
<td><input class="botton2" type="button" value="重置"/></td>
</tr>
</table>
</form>
</body>
</html>
修改：
修改后：