<fieldset>
。<fieldset style="width:270px">
<legend>Contact details</legend>
<label>Name:<br /></label>
<input type="text" name="name"><br />
<label>Email:<br />
<input type="text" name="email"></label><br />
<label>Mobile:<br />
<input type="text" name="mobile"></label><br />
</fieldset>
legend
标记中的所有内容都将显示在框中作为分组的标题。<!DOCTYPE html>
<html>
<body>
<form>
<fieldset>
<legend>Personalia:</legend>
Name: <input type="text"><br>
Email: <input type="text"><br>
Date of birth: <input type="text">
</fieldset>
</form>
</body>
</html>
Demo here: https://jsfiddle.net/991avcmv/
<legend>Sign Up</legend>
标签。<fieldset>
<legend>Contact details</legend>
<label>Email:<br />
<input type="text" name="email" /></label><br />
<label>Mobile:<br />
<input type="text" name="mobile" /></label><br />
<label>Telephone:<br />
<input type="text" name="telephone" /></label>
</fieldset>
<!DOCTYPE html>
<html>
<body>
<form>
<fieldset>
<legend>Sign up:</legend>
<label>Name:</label>
<br>
<input type="text" name="name"/><br>
<label>Email: </label>
<br>
<input type="email" name="email"/><br>
<label>Date of birth:</label>
<br>
<input type="text" name="dob"/>
</fieldset>
</form>
</body>
</html>