[class*="toolbar-button--icon"]:not(:has(.toolbar-button__icon)) {
    &::before {
      flex-shrink:0;
      content: none !important;
      text-align:center;
      color:currentColor;
      font-size:calc(0.75 * var(--admin-toolbar-rem));
      inline-size:var(--toolbar-button-icon-size);
    }
  }