每次尝试添加margin-top时,我都会尝试将我的表单放在屏幕的中央,它会被用户代理风格覆盖并保持在0em,而保证金适用于我的整个身体,我的导航栏来了下降到与我的表格离开相同的水平我不知道我能做什么我试过通过创建一个div和移动我尝试填充。
css form { 边距:200像素; }
<form name="contactform" method="post" action="script/send_form_email.php">
<table width="450px">
<tr>
<td valign="top">
<label for="first_name">First Name *</label>
</td>
<td valign="top">
<input type="text" name="first_name" maxlength="50" size="30">
</td>
</tr>
<tr>
<td valign="top">
<label for="last_name">Last Name *</label>
</td>
<td valign="top">
<input type="text" name="last_name" maxlength="50" size="30">
</td>
</tr>
<tr>
<td valign="top">
<label for="email">Email Address *</label>
</td>
<td valign="top">
<input type="text" name="email" maxlength="80" size="30">
</td>
</tr>
<tr>
<td valign="top">
<label for="telephone">Telephone Number</label>
</td>
<td valign="top">
<input type="text" name="telephone" maxlength="30" size="30">
</td>
</tr>
<tr>
<td valign="top">
<label for="comments">Comments *</label>
</td>
<td valign="top">
<textarea name="comments" maxlength="1000" cols="25" rows="6"></textarea>
</td>
</tr>
<tr>
<td colspan="2" style="text-align:center">
<input type="submit" value="Submit">
</td>
</tr>
</table>
</form>