/* [XUL] Comfortable tab height with Tree Style Tab */
@namespace url(http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul);
.tabbrowser-tabs[treestyletab-mode="vertical"] .tabbrowser-tab {
  min-height: 32px !important;
}


/* [XUL] Comfortable tab height with Tree Style Tab */
@namespace url(http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul);
.tabbrowser-tabs[treestyletab-mode="vertical"] .tabbrowser-tab {
  min-height: 30px !important;
}


Reduce the height of tab to fill more tabs on one screen
Reduce the height of tab to fill more tabs on one screen
