:local {
  .clinical-lowlight-theme {
    --terra-dev-site-page-toolbar-background: #141719;
    --terra-dev-site-page-toolbar-border-radius: 3px;
    --terra-dev-site-page-toolbar-box-shadow: 0 1px 1px 0 rgba(28, 31, 33, 0.2);
  }
}