.login {
  background-color: #343a40 !important;
}

.card {
  border: 1px solid rgba(0,0,0,.125);
  border-radius: .25rem;
}

.card-header {
  padding: .75rem 1.25rem;
  margin-bottom: 0;
  background-color: rgba(0,0,0,.03);
  border-bottom: 1px solid rgba(0,0,0,.125);
}

.card-body {
  padding: 1.25rem;
}

.form-group {
  margin-bottom: 1rem;
}

label {
  margin-bottom: .5rem;
}

.form-control {
  display: block;
  width: 100%;
  padding: .375rem .75rem;
  font-size: 1rem;
  line-height: 1.5;
  color: #495057;
  background-color: #fff;
  background-clip: padding-box;
  border: 1px solid #ced4da;
  border-radius: .25rem;
  transition: border-color .15s ease-in-out,box-shadow .15s ease-in-out;
}

input[type="submit"].btn-block {
  width: 100%;
}