分享一款基于HTML5手机登录注册表单代码。这是一款鼠标点击注册登录按钮弹出表单，适合移动端使用。效果图如下：
实现的代码。
html代码：
<div class="demo">
<nav class="main_nav">
<ul>
<li><a class="cd-signin" href="#0">登录</a></li>
<li><a class="cd-signup" href="#0">注册</a></li>
</ul>
</nav>
</div>
<div class="cd-user-modal">
<div class="cd-user-modal-container">
<ul class="cd-switcher">
<li><a href="#0">用户登录</a></li>
<li><a href="#0">注册新用户</a></li>
</ul>
<div id="cd-login">
<!-- 登录表单 -->
<form class="cd-form">
<p class="fieldset">
<label class="image-replace cd-username" for="signin-username">
用户名</label>
<input class="full-width has-padding has-border" id="signin-username" type="text"
placeholder="输入用户名">
</p>
<p class="fieldset">
<label class="image-replace cd-password" for="signin-password">
密码</label>
<input class="full-width has-padding has-border" id="signin-password" type="text"
placeholder="输入密码">
</p>
<p class="fieldset">
<input type="checkbox" id="remember-me" checked>
<label for="remember-me">
记住登录状态</label>
</p>
<p class="fieldset">
<input class="full-width2" type="submit" value="登 录">
</p>
</form>
</div>
<div id="cd-signup">
<!-- 注册表单 -->
<form class="cd-form">
<p class="fieldset">
<label class="image-replace cd-username" for="signup-username">
用户名</label>
<input class="full-width has-padding has-border" id="signup-username" type="text"
placeholder="输入用户名">
</p>
<p class="fieldset">
<label class="image-replace cd-email" for="signup-email">
邮箱</label>
<input class="full-width has-padding has-border" id="signup-email" type="email" placeholder="输入mail">
</p>
<p class="fieldset">
<label class="image-replace cd-password" for="signup-password">
密码</label>
<input class="full-width has-padding has-border" id="signup-password" type="text"
placeholder="输入密码">
</p>
<p class="fieldset">
<input type="checkbox" id="accept-terms">
<label for="accept-terms">
我已阅读并同意 <a href="#0">用户协议</a></label>
</p>
<p class="fieldset">
<input class="full-width2" type="submit" value="注册新用户">
</p>
</form>
</div>
<a href="#0" class="cd-close-form">关闭</a>
</div>
</div>