astuto/app/javascript/stylesheets/general/_form.scss

.field_with_errors {
  label {
    color: $danger;
  }

  input {
    border-color: $danger;
  }
}

.form-control:focus {
  border-color: $astuto-grey;
  box-shadow: inset 0 1px 1px rgba(0, 0, 0, 0.075), 0 0 4px rgba(0, 0, 0, 0.6);
}