@charset "utf-8";
html,body{padding:0; margin:0 auto;font-family: "microsoft yahei",Tahoma, sans-serif ; font-size:12px; line-height:180%;height: 100%;text-align:center;background:#F6F6F6;}
.box { margin: 0 auto; width: 480px; height: 100%;
}
.login-box { width: 100%; max-width:500px; height: 300px; position: absolute; top: 50%; margin-top: -150px;}
.login-title { padding: 10px 10px; color: #fff; font-size:24px; background-color: rgba(0, 0, 0,0.3);}
.margin-top{ margin-top:20px;}
.input-group { margin: 5px 0px!important;}