<!DOCTYPE html>
<html lang="zh-cmn-Hans">
<head>
<meta charset="utf-8" />
<title></title>
<style>
.a{
width: 1000px;
height:500px;
background-color: blue;
background-p_w_picpath: linear-gradient(blue, white);
/*background-repeat: no-repeat;*/
margin: 0 auto;
}
.yhm{
width: 200px;
height: 100px;
margin: 0 auto;
font-size: 50px;
}
.normal{
border-width: 4px;
border-style: dashed solid solid;
border-radius: 10px;
border-color: red;
width: 300px;
height: 30px;
margin: 0 auto;
}
.jz{
margin:0 auto;
width: 300px;
height: 80px;
}
.jz1{
width: 55px;
height: 30px;
margin: 0 auto;
}
.yhm1{
width: 200px;
height: 100px;
margin: 0 auto;
font-size: 50px;
}
</style>
</head>
<body>
<div class="a">
<div class="yhm">用户登录</div>
<div class="jz"><input class="normal" type="text" name="登录" placeholder="请输入用户名"></div>
<div class="jz"><input class="normal" type="text" name="mail" placeholder="请输入邮箱"></div>
<div class="jz"><input class="normal" type="text" name="password" placeholder="请输入密码"></div>
<div class="jz1"><input type="submit" name="security code" value="提交"></div>
</div>
</body>
</html>
