# HTML 的 <legend> 标签

<fieldset>
    <legend>账号配置</legend>
    <label for="username">用户名：</label><input id="username" name="username"/> <br/>
    <label for="password">密码：</label><input id="password" name="password" type="password"/> <br/>
</fieldset>

<fieldset>
    <legend>数据库配置</legend>
    <label for="db_username">用户名：</label><input id="db_username" name="db_username"/> <br/>
    <label for="db_password">密码：</label><input id="db_password" name="db_password" type="password"/> <br/>
    <label for="db_host">主机：</label><input id="db_host" name="db_host"/> <br/>
    <label for="db_port">端口：</label><input id="db_port" name="db_port" type="number"/> <br/>
    <label for="db_name">数据库：</label><input id="db_name" name="db_name"/> <br/>
</fieldset>