http://www.runoob.com/tags/att-input-type.html
http://www.zhangxinxu.com/wordpress/2012/09/css3-3d-transform-perspective-animate-transition/
所有input必须放在<form>里
<form action="post">传过去
<lable>
radio!!!! 单选
<radio>女</radio>
input type="radio" name="sex"
提交是submit
<lable for="myinput">input</lable>
<input type="text" id="myinput">
