the plugin is not responsive

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https://wara8.com/questions/
Here you go

You can add the following code to the style.css file: 

@media (max-width: 767px) {
  .rtl .dwqa-questions-list .dwqa-question-item {
    padding-bottom: 50px;
  }

  .dwqa-question-vote .dwqa-vote-down {
    margin-right: -5px;
  }
  .dwqa-question-vote .dwqa-vote-count, .dwqa-answer-vote .dwqa-vote-count {
    top: 0;
    margin-right: 12px;
  }
  .dwqa-question-vote .dwqa-vote-up, .dwqa-answer-vote .dwqa-vote-up {
    margin-right: 40px;
  }
}