hexo-theme-keep/source/css/layout/_partial/comments/comment.styl

if (hexo-config('comments.valine.enable')) {
  @require "./valine.styl";
}

if (hexo-config('comments.gitalk.enable')) {
  @require "./gitalk.styl";
}

.comments-container {
  #comment-anchor {
    width: 100%;
    height: 20px;
  }
}