.editor-theme h1:not(.not-prose) strong,
.editor-theme h2:not(.not-prose) strong,
.editor-theme h3:not(.not-prose) strong,
.editor h1:not(.not-prose) strong,
.editor h2:not(.not-prose) strong,
.editor h3:not(.not-prose) strong {
  font-weight: 600 !important;
}
.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;
}