/*The following block hides the horizontal tabs for tree style tabs https://github.com/piroor/treestyletab/wiki/Code-snippets-for-custom-style-rules#for-userchromecss */
#main-window[tabsintitlebar="true"]:not([extradragspace="true"]) #TabsToolbar > .toolbar-items {
  opacity: 0;
  pointer-events: none;
}
#main-window:not([tabsintitlebar="true"]) #TabsToolbar {
    visibility: collapse !important;
}

/*Hide the Tree style Tab header*/
#sidebar-box[sidebarcommand="treestyletab_piro_sakura_ne_jp-sidebar-action"] #sidebar-header {
  display: none;
}

/* The following moves the window buttons to the lower bar after removeing horizontal tabs*/
/* Adding empty space for buttons */
#nav-bar {
	margin-right:140px;
}

/* 15px for dragging whole window by mouse*/
#titlebar {
	appearance: none !important;
	height: 15px;
}

/* Fix for main menu calling by Alt button */
#titlebar > #toolbar-menubar {
	margin-top: 10px;
}

/* Move minimize/restore/close buttons to empty space */
#TabsToolbar > .titlebar-buttonbox-container {
	display: block;
	position: absolute;
	top: 17px;
	right: 1px;
}