userChrome.css

#navigator-toolbox:not(:hover):not(:focus-within) #toolbar-menubar > * {
  background-color: rgb(232, 232, 231);
}

#main-window[sizemode="maximized"] #content-deck {
  padding-top: 8px;
}

tabs {
  counter-reset: tab-counter;
}

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

:root:not([customizing]) #navigator-toolbox:not(:hover):not(:focus-within) #nav-bar {
  max-height: 0;
  min-height: 0!important;
  --tridactyl-auto-show-zone: 10px;
  margin-bottom: calc(-1 * var(--tridactyl-auto-show-zone));
  opacity: 0;
}

#navigator-toolbox::after {
  display: none !important;
}

#statuspanel {
  right: 0;
  display: inline;
}

statuspanel[type="overLink"],
#statuspanel[type="overLink"] {
  display: none !important;
}

#tabs-newtab-button {
  display: none !important;
}

.tabbrowser-tab[selected="true"] .tab-background {
  background: #575757 none !important;
}

#navigator-toolbox {
  --lwt-tabs-border-color: transparent !important;
}

#tabbrowser-tabs {
  --lwt-tab-line-color: transparent !important;
}


#alltabs-button {
  display: none !important;
}


html:root,
window:root,
panel,
menupopup,
popupnotification,
tooltip,
panelview,
#main-menubar {
  font-size: 12px !important;
  font-family: Monte Carlo, Terminus, TerminessTTF, monospace !important;
}