dl.ckeditor-accordion dt button {
  all: unset;
  display: block;
  cursor: pointer;
  font-weight: 600;
}

dl.ckeditor-accordion dt button:focus {
  outline: 2px solid #005ea2;
  outline-offset: 2px;
}

dl.ckeditor-accordion dd[hidden] {
  display: none;
}