:root:not([customizing]) #navigator-toolbox:not(:hover):not(:focus-within) #TabsToolbar {
  visibility: collapse;
}

:root:not([customizing]) #navigator-toolbox:not(:hover):not(:focus-within) {
  max-height: 1px;
  min-height: calc(0px);
  overflow: hidden;
}

tabs {
  counter-reset: tab-counter;
}

.tab-label::before {
  counter-increment: tab-counter;
  content: counter(tab-counter) " - ";
}