body {
    padding-top: 40px;
}
.form-signin {
  max-width: 330px;
  padding: 15px;
  margin: 0 auto;
  margin-bottom: 10px;
  background-color: #fff;
  border: 1px solid #e5e5e5;
  -webkit-border-radius: 5px;
     -moz-border-radius: 5px;
          border-radius: 5px;
}
.form-signin .form-signin-heading {
  font-weight: normal;
}
.form-signin .form-control {
  position: relative;
  font-size: 16px;
  height: auto;
  padding: 10px;
  -webkit-box-sizing: border-box;
     -moz-box-sizing: border-box;
          box-sizing: border-box;
}
.form-signin .form-control:focus {
  z-index: 2;
}
.form-signin input[type="text"] {
  margin-bottom: 15px;
}
.form-signin input[type="password"] {
  margin-bottom: 15px;
}
 .alert
        {
           max-width: 330px; 
           margin: 0 auto 20px;
           display: none;
        }