:root {
  --app-surface-shadow: none !important;
  --elevation-shadow: none !important;
}

.app-panel,
#accountPanel,
.persona-scope-toggle,
#teamPanel .team-persona-list,
.tab-btn,
.popup-btn,
.popup-btn-primary,
.popup-btn-outline,
.popup-btn-secondary,
.credit-count,
.composer-tool-chip {
  box-shadow: none !important;
}