.markdowntoolbar-header1 .bolt-menuitem-cell-text {
  font-size: 28px !important;
  font-weight: bold !important;
  line-height: 28px; }

.markdowntoolbar-header2 .bolt-menuitem-cell-text {
  font-size: 21px !important;
  font-weight: bold !important; }

.markdowntoolbar-header3 .bolt-menuitem-cell-text {
  font-size: 16px !important;
  font-weight: bold !important; }