message: fix(dark style): the button of showing rank dialog
diff: @@ -442,6 +442,7 @@ input[type="radio"]:checked + .custom-radio,
  .main-container .media-info .media-right .media-tool-bar .btn-rating .star-wrapper li i,
  .sponsor-rank-item.pos-rank-module .sp-right .sp-msg,
  .main-container .sponsor-module .sponsor-info .sponsor-count span,
  +.main-container .sponsor-module .sponsor-info .btn-show-rank,
  .main-container .review-module .module-title,
  .main-container .season-list .ss-list-wrapper .expand-more,
  .main-container .recom-wrapper .recom-title,
  @@ -1126,6 +1127,7 @@ ul.navigation li span:after,
  .ep-list-wrapper .ep-item i,
  .section-ep-wrapper .ep-item i,
  .main-container .ep-list-wrapper .list-wrapper.simple ul .ep-item:hover,
  +.main-container .sponsor-module .sponsor-info .btn-show-rank:hover,
  .main-container .season-list .ss-list-wrapper .ss-item .ss-info .ss-title:hover,
  .main-container .tool-bar .coin-info.active span,
  .main-container .tool-bar .coin-info:hover span,
  