* {
  box-sizing: inherit !important;
}

body {
  padding:0px;
  margin:0px;
}

.form-signin {
/*  max-width: 330px;
  padding: 15px;
  margin: 0 auto;*/
    max-width: 330px;
    position: fixed;
    top: 40%;
    left: 50%;
    -webkit-transform: translate(-50%, -40%);
    transform: translate(-50%, -40%);
}
.form-signin .form-signin-heading,
.form-signin .checkbox {
  clear:both;
  margin-bottom: 10px;
  text-align: left;
}
.form-signin .checkbox {
  font-weight: normal;
}
.form-signin .form-control {
  position: relative;
  height: auto;
  -webkit-box-sizing: border-box;
     -moz-box-sizing: border-box;
          box-sizing: border-box;
  padding: 10px;
  font-size: 16px;
}
.form-signin .form-control:focus {
  z-index: 2;
}
.form-signin input[type="text"] {
  margin-bottom: -1px;
  border-bottom-right-radius: 0;
  border-bottom-left-radius: 0;
}
.form-signin input[type="password"] {
  margin-bottom: 10px;
  border-top-left-radius: 0;
  border-top-right-radius: 0;
}

.bt_login {position:absolute; left:230px; top:0; background-color:#f27935; width:100px; height:80px; color:#fff !important; border:0}
.item_login {width:200px; float:left; padding:5px 10px; border:1px solid #ddd; height:30px; line-height:30px; }