body{overflow:hidden;background:#f2f2f2;}
.login{ height:260px;width:260px;padding: 20px;background:#fff;border-radius: 4px;position:absolute;left: 50%;top: 40%; margin:-150px 0 0 -150px;z-index:99;border:5px solid #eee;}
.login h1{ text-align:center; color:#222; font-size:24px; margin-bottom:20px; }
.form_code{ position:relative; }
.form_code input{ text-transform:uppercase; }
.form_code .code{ position:absolute; right:5px; top:8px; cursor:pointer; }
.login_btn{ width:100%; }