crm-pc/public/static/tinymce/css/tiny-wukong.css

#wk-knowledge-content-wukong {
  margin-block-start: 0;
  font-size: 30px;
  font-weight: bold;
}

.mce-item-table,
.mce-item-table caption,
.mce-item-table td,
.mce-item-table th {
  border: none !important;
}