注册页面css版本

<!DOCTYPE html>
<html >
<head>
<meta charset="UTF-8">
<title>注册页面</title>
<style>
*{
margin: 0px;
padding: 0px;
}
body{
background: url("img/register_bg.png") no-repeat;
}
.rg_layout{
width:900px;
height:500px;
border:#EEEEEE solid 10px;
background: aliceblue;
margin: auto;
margin-top: 135px;
}
.rg_left{
/* border: red solid 1px;*/
float:left;
margin: 15px;
}
.rg_left > p:first-child {
color: #FFD026;
font-size:20px;
}
.rg_left > p:last-child{
color: #A6A6A6;
font-size: 20px;
}
.rg_center{
/* border: red solid 1px;*/
float:left;
}
.rg_right{
/* border: red solid 1px;*/
float:right;
margin: 15px;
}
.rg_right > p {
font-size:15px;
}
.rg_right p a {
color: pink;
}
.td_left{
width: 100px;
text-align: right;
height: 45px;
color: #A6A6A6;
}
.td_right{
padding-left: 50px;
}
#username,#password,#email,#name,#tel,#birthday,#checkcode{
width: 251px;
height: 30px;
border:1px solid #A6A6A6;
padding-left: 15px;
border-radius: 5px;
}
#checkcode{
width: 110px;
}
#img_check{
vertical-align: middle;
height:30px
}
#btn_submit{
width: 150px;
height: 30px;
background-color: orange;
border: 1px solid orange;
}
</style>
</head>
<body>
<div class="rg_layout">
<div class="rg_left">
<p>新用户注册</p>