platform/packages/theme/styles/_text-editor.scss

.textEditorImage {
  cursor: pointer;
  object-fit: contain;
}

.text-editor-highlighted-node-warning {
  background-color: var(--theme-warning-color);
}

.text-editor-highlighted-node-error {
  background-color: var(--theme-error-color);
}

.text-editor-highlighted-node-success {
  background-color: var(--theme-won-color);
}
.proseH1 {
  margin-block-start: 1.25rem;
  margin-block-end: 1.25rem;
  font-weight: 700;
  font-size: 1.75rem;
  // line-height: 1.75rem;
  color: red;
}
.proseH2 {
  margin-block-start: 1rem;
  margin-block-end: 1.125rem;
  font-weight: 700;
  font-size: 1.25rem;
  // line-height: 1.75rem;
  color: green;
}