body {
  padding-top: 40px;
  padding-bottom: 40px;
}

.alert {
  max-width: 300px;
  margin: 0 auto;
}

.form-signin {
  max-width: 330px;
  padding: 15px;
  margin: 0 auto;
}
.form-signin .form-signin-heading,
.form-signin .checkbox {
  margin-bottom: 10px;
}
.form-signin .checkbox {
  font-weight: normal;
}

.form-signin .form-control:focus {
  z-index: 2;
}