treestyletab/content/treestyletab/treestyletab.css

@namespace url("http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul");
@namespace html url("http://www.w3.org/1999/xhtml");

.tabbrowser-tab .treestyletab-twisty,
tabbrowser[treestyletab-twisty-style="none"] .treestyletab-twisty-container,
.tabbrowser-tab .treestyletab-counter-container,
.tabbrowser-tab .treestyletab-drop-marker,
tabbrowser[treestyletab-allow-subtree-collapse="true"] .tabbrowser-tab[treestyletab-children]:not([treestyletab-subtree-collapsed="true"]) .treestyletab-counter-container,
tabbrowser:not([treestyletab-mode="vertical"]) > tabbox > splitter {
	display: none;
}

tabbrowser[treestyletab-allow-subtree-collapse="true"] .tabbrowser-tab[treestyletab-children] .treestyletab-twisty,
tabbrowser[treestyletab-allow-subtree-collapse="true"] .tabbrowser-tab[treestyletab-children] .treestyletab-counter-container,
.tabbrowser-tab[treestyletab-drop-position] .treestyletab-drop-marker {
	display: -moz-box;
}

tabbrowser[treestyletab-allow-subtree-collapse="true"] .tabbrowser-tab[treestyletab-collapsed="true"],
.tabbrowser-strip[collapsed="true"]+splitter:not([state="collapsed"]),
tabbrowser[treestyletab-tabbar-autohide="hidden"] .tabbrowser-strip,
tabbrowser[treestyletab-tabbar-autohide="hidden"] .tabbrowser-strip+splitter,
#appcontent[ahFull="true"] .tabbrowser-strip[ahHIDE="true"]+splitter /* AutoHide */,
tabbrowser[treestyletab-tabbar-fixed="true"] .tabbrowser-strip+splitter {
	visibility: collapse;
}

tabbrowser:not([treestyletab-mode="horizontal"]) .tabbrowser-arrowscrollbox > .scrollbutton-up,
tabbrowser:not([treestyletab-mode="horizontal"]) .tabbrowser-arrowscrollbox > .scrollbutton-down-stack,
tabbrowser:not([treestyletab-mode="horizontal"]) .tabbrowser-arrowscrollbox > .scrollbutton-down, /* Firefox 3 */
tabbrowser[treestyletab-hide-newtab-button="true"] .tabs-newtab-button, /* "open a new tab" button in Firefox 3.1 */
tabbrowser[treestyletab-hide-alltabs-button="true"] .tabs-alltabs-stack,
tabbrowser[treestyletab-hide-alltabs-button="true"] .tabbrowser-arrowscrollbox ~ stack, /* "all tabs" button in Firefox 3 and 3.1 */
tabbrowser[treestyletab-mode="vertical"] .tabs-closebutton-box,
tabbrowser:not([treestyletab-mode="horizontal"]) .tab-drop-indicator-bar,
tabbrowser:not([treestyletab-mode="horizontal"]) #vide-bar, /* Tab Mix Plus */
tabbrowser:not([treestyletab-mode="horizontal"]) #tabs-scroll-up-down-box, /* Tab Mix Plus */
tabbrowser:not([treestyletab-mode="horizontal"]) #alltabs-place-holder, /* Tab Mix Plus */
tabbrowser:not([treestyletab-mode="horizontal"]) .tabs-scroll /* Tab Mix Plus */ {
	display: none !important;
}
tabbrowser[treestyletab-hide-newtab-button="true"] .tabbrowser-arrowscrollbox .tabs-newtab-button /* "all tabs" button in Firefox 3 and 3.1 */ {
	display: -moz-box !important;
	visibility: collapse !important;
}

#appcontent {
/*	position: relative;*/
	margin: 0;
}

tabbrowser[treestyletab-mode="vertical"] .tabbrowser-arrowscrollbox > scrollbox,
tabbrowser[treestyletab-mode="vertical"] tabs[flowing] > * .tabs-frame /* Tab Mix Plus */ {
	overflow-x: hidden !important;
	overflow-y: auto !important;
}

tabbrowser[treestyletab-mode="vertical"] .tabs-stack > *:first-child + * > hbox, /* Firefox 3.0 (not 3.1) */
tabbrowser[treestyletab-mode="vertical"] tabs[flowing] > * .tabs-frame /* Tab Mix Plus */ {
	-moz-box-flex: 1 !important;
}

tabbrowser[treestyletab-tabbar-position="left"][treestyletab-scrollbar-inverted="true"] .tabbrowser-arrowscrollbox > scrollbox,
tabbrowser[treestyletab-tabbar-position="left"][treestyletab-scrollbar-inverted="true"] .tabs-frame /* Tab Mix Plus */ {
	direction: rtl !important;
	/* if there is scrollbar, closeboxes of tabs cannot be clicked because
	   they are "under the rightside scrollbar" even if it is moved to
	   leftside by the above rule. This seems a bug. Following rules move
	   the "hidden rightside scrollbar" out of the box, then we can click
	   closeboxes again. */
	margin-right: -1em !important;
	padding-right: 1em !important;
}

tabbrowser[treestyletab-tabbar-position="left"][treestyletab-scrollbar-inverted="true"] .tabbrowser-arrowscrollbox > scrollbox > .scrollbox-innerbox,
tabbrowser[treestyletab-tabbar-position="left"][treestyletab-scrollbar-inverted="true"] .tabbrowser-tabs[firefox2][flowing][closebutton][hideAllTabsButton][tabBarSpace] .tabbrowser-tab /* Tab Mix Plus */ {
	direction: ltr !important;
}



tabbrowser:not([treestyletab-mode="vertical"]) .tabbrowser-tab:not([treestyletab-nest="0"]) + .tabbrowser-tab[treestyletab-nest="0"],
tabbrowser:not([treestyletab-mode="vertical"]) .tabbrowser-tab[treestyletab-nest="0"] + .tabbrowser-tab[treestyletab-nest="0"][treestyletab-children] {
	margin-left: 0.8em !important;
}



/*
tabbrowser[treestyletab-mode="multirow"] .tabbrowser-arrowscrollbox > scrollbox > .scrollbox-innerbox {
	display: block !important;
	overflow-x: visible !important;
	overflow-y: visible !important;
}
tabbrowser[treestyletab-mode="multirow"] .tabbrowser-arrowscrollbox > scrollbox {
	display: block !important;
	overflow-x: visible !important;
	overflow-y: auto !important;
	max-height: 100px !important;
}

tabbrowser[treestyletab-mode="multirow"] .tabbrowser-tab {
	min-width: 150px !important;
}
*/

tabbrowser[treestyletab-tabbar-autohide][treestyletab-tabbar-transparent] .tabs-stack > *:first-child > :not(html|canvas),
tabbrowser[treestyletab-tabbar-resizing]:not([treestyletab-tabbar-transparent]) .tabs-stack > *:first-child > html|canvas,
tabbrowser[treestyletab-tabbar-resizing] .tabs-stack > *:first-child > html|canvas {
	display: none !important;
}


/* for some themes */
image.tab-icon {
	display: -moz-stack;
	-moz-binding: url(treestyletab.xml#tab-icon);
}

/* for Tabbrowser Preferences */
tabbrowser .tabs-newbutton {
	max-width: none !important;
}

/* for All-in-One Sidebar */
#aiostbx-tableft-toolbox:not([incustomisemode="true"]) > toolbar[currentset="__empty"],
#aiostbx-tableft-toolbox:not([incustomisemode="true"]) > toolbar:not([currentset]),
#aiostbx-tabright-toolbox:not([incustomisemode="true"]) > toolbar[currentset="__empty"],
#aiostbx-tabright-toolbox:not([incustomisemode="true"]) > toolbar:not([currentset]) {
	visibility: collapse;
}