il+空格, multiple</span>
                    <span class="ml20 g9">方便复制：a@a.com</span>
                </div>
                <div class="mb15">
                	邮箱：<input type="email" required />
                    <span class="f9 g6 ml10">无label有required</span>
                </div>
                <div class="mb15"><label for="email1">邮箱：</label><input type="email" id="email1" required /><span class="f9 g6 ml10">有label有required</span></div>
                <div class="mb