.editor h1,
.editor h2,
.editor h3,
.editor-theme h1,
.editor-theme h2,
.editor-theme h3 {
  letter-spacing: normal !important;
  font-variation-settings: normal !important;
}
.settings-preview h1,
.settings-preview h2,
.settings-preview h3 {
  letter-spacing: normal !important;
  font-variation-settings: normal !important;
}