gecko/mobile/themes/core/tablet.css

.spacer-actionbar,
.button-actionbar {
  visibility: collapse;
}

.button-actionbar[disabled="true"] {
  opacity: 0.5;
}

%ifndef honeycomb
.button-actionbar:hover:active {
  background-color: #8db8d8;
}
%endif

#toolbar-main[tablet="true"] > .spacer-actionbar,
#toolbar-main[tablet="true"] > .button-actionbar {
  visibility: visible;
}
#toolbar-main[tablet="true"] > #tool-tabs {
  visibility: collapse;
}

#controls-scrollbox[tablet="true"] > #controls-sidebar {
  visibility: collapse;
}

#tabs-spacer[tablet="true"]  {
  visibility: collapse;
}

@media (@orientation@: portrait) {
  #toolbar-main[tablet="true"] > #tool-tabs {
    visibility: visible;
  }

  #controls-scrollbox[tablet="true"] > #tabs-sidebar {
    border: none;
%ifdef honeycomb
    top: @touch_button_xlarge@;
%else
    top: -moz-calc(@touch_button_xlarge@ + @margin_normal@);
%endif
    visibility: collapse;
  }

  #controls-scrollbox[tablet="true"] > #tabs-sidebar:-moz-locale-dir(ltr) {
    left: 0;
  }
  #controls-scrollbox[tablet="true"] > #tabs-sidebar:-moz-locale-dir(rtl) {
    right: 0;
  }

  #controls-scrollbox[tablet="true"] > #tabs-sidebar[open] {
    position: fixed;
    visibility: visible;
  }
}

%ifndef honeycomb
@media (min-width: @tablet_panel_minwidth@) {
  #awesome-panels {
    -moz-box-shadow: 0px 0px @shadow_width_small@ black;
  }
  #search-engines-popup {
    max-width: -moz-calc(@tablet_panel_minwidth@);
  }
}
%endif