span[data-editor-heading='h1'] {
  font-weight: bold;
  font-size: 32px;
}
span[data-editor-heading='h2'] {
  font-weight: bold;
  font-size: 24px;
}
span[data-editor-heading='h3'] {
  font-weight: bold;
  font-size: 18px;
}
span[data-editor-heading='h4'] {
  font-weight: bold;
  font-size: 16px;
}
span[data-editor-heading='h5'] {
  font-weight: bold;
  font-size: 13px;
}
span[data-editor-heading='h6'] {
  font-weight: bold;
  font-size: 12px;
}