그누보드5 기본 로그인창에 움짤삽입? (html)

<!doctype html>
<html lang="en">
 <head>
  <meta charset="UTF-8">
  <meta name="Generator" content="EditPlus®">
  <meta name="Author" content="">
  <meta name="Keywords" content="">
  <meta name="Description" content="">
  <title>Document</title>
 </head>
 <body>
  


<style type="text/css">
    body {
    background: url('https://2.bp.blogspot.com/-YkELgIKUqWw/WehzSFeM1HI/AAAAAAAAA7I/FjCJ5PoOHBMakyDxW0b9zirq5AuLVsYWwCLcBGAs/s1600/%25E3%2585%2587%25E3%2585%2587.gif') no-repeat center center fixed; 
  -webkit-background-size: cover;
  -moz-background-size: cover;
  -o-background-size: cover;
  background-size: cover;
}


#login_wrap {margin-top:200px; }

    .login {width:360px; height:200px; margin:0 auto;  background:#fff; border:1px solid #333}
    .login p {text-align:center; }
</style>

<div id='login_wrap'>
<div class='login'>
   <p>로그인 영역</p>

   <p><input type="text" name="" placeholder="아이디" style="width:80%; height:20px"></p>
   <p><input type="text" name="" placeholder="비밀번호" style="width:80%;height:20px"></p>
   <p><input type="submit" style="width:80%;height:30px"></p>

</div>
</div>

 </body>
</html>