message: Fix .sv-question--has-answer and .sv-question--error styles for panel case.
diff: padding: 1em 0;
  }
  .sv-question--has-answer {
  + & > :not(.sv-question__content) {
  .sv-question__title-container {
  background-color: $answer-background-color;
  }
  }
  +}
  .sv-question--has-error {
  + & > :not(.sv-question__content) {
  .sv-question__title-container {
  background-color: $error-background-color;
  }
  color: $error-color;
  }
  }
  +}
  