diff --git a/sys/apps/Lua.lua b/sys/apps/Lua.lua
index 3ddcc17..8063b11 100644
--- a/sys/apps/Lua.lua
+++ b/sys/apps/Lua.lua
@@ -58,10 +58,16 @@ local page = UI.Page {
 		},
 		[2] = UI.Tab {
 			tabTitle = 'Output',
+			backgroundColor = colors.black,
 			output = UI.Embedded {
+				y = 2,
 				maxScroll = 1000,
 				backgroundColor = colors.black,
 			},
+			draw = function(self)
+				self:write(1, 1, string.rep('\131', self.width), colors.black, UI.colors.primary)
+				self:drawChildren()
+			end,
 		},
 	},
 }
diff --git a/sys/apps/Network.lua b/sys/apps/Network.lua
index d8db622..215967d 100644
--- a/sys/apps/Network.lua
+++ b/sys/apps/Network.lua
@@ -56,6 +56,31 @@ local page = UI.Page {
 		columns = gridColumns,
 		sortColumn = 'label',
 		autospace = true,
+		getRowTextColor = function(self, row, selected)
+			if not row.active then
+				return colors.lightGray
+			end
+			return UI.Grid.getRowTextColor(self, row, selected)
+		end,
+		getDisplayValues = function(_, row)
+			row = Util.shallowCopy(row)
+			if row.uptime then
+				if row.uptime < 60 then
+					row.uptime = string.format("%ds", math.floor(row.uptime))
+				elseif row.uptime < 3600 then
+					row.uptime = string.format("%sm", math.floor(row.uptime / 60))
+				else
+					row.uptime = string.format("%sh", math.floor(row.uptime / 3600))
+				end
+			end
+			if row.fuel then
+				row.fuel = row.fuel > 0 and Util.toBytes(row.fuel) or ''
+			end
+			if row.distance then
+				row.distance = Util.toBytes(Util.round(row.distance, 1))
+			end
+			return row
+		end,
 	},
 	ports = UI.SlideOut {
 		titleBar = UI.TitleBar {
@@ -72,6 +97,12 @@ local page = UI.Page {
 			sortColumn = 'port',
 			autospace = true,
 		},
+		eventHandler = function(self, event)
+			if event.type == 'grid_select' then
+				shell.openForegroundTab('Sniff ' .. event.selected.port)
+			end
+			return UI.SlideOut.eventHandler(self, event)
+		end,
 	},
 	help = UI.SlideOut {
 		x = 5, ex = -5, height = 8, y = -8,
@@ -125,13 +156,6 @@ local function sendCommand(host, command)
 	end
 end
 
-function page.ports:eventHandler(event)
-	if event.type == 'grid_select' then
-		shell.openForegroundTab('Sniff ' .. event.selected.port)
-	end
-	return UI.SlideOut.eventHandler(self, event)
-end
-
 function page.ports.grid:update()
 	local transport = network:getTransport()
 
@@ -241,33 +265,6 @@ function page.menuBar:getActive(menuItem)
 	return menuItem.noCheck or not not t
 end
 
-function page.grid:getRowTextColor(row, selected)
-	if not row.active then
-		return colors.lightGray
-	end
-	return UI.Grid.getRowTextColor(self, row, selected)
-end
-
-function page.grid:getDisplayValues(row)
-	row = Util.shallowCopy(row)
-	if row.uptime then
-		if row.uptime < 60 then
-			row.uptime = string.format("%ds", math.floor(row.uptime))
-		elseif row.uptime < 3600 then
-			row.uptime = string.format("%sm", math.floor(row.uptime / 60))
-		else
-			row.uptime = string.format("%sh", math.floor(row.uptime / 3600))
-		end
-	end
-	if row.fuel then
-		row.fuel = row.fuel > 0 and Util.toBytes(row.fuel) or ''
-	end
-	if row.distance then
-		row.distance = Util.toBytes(Util.round(row.distance, 1))
-	end
-	return row
-end
-
 Event.onInterval(1, function()
 	page.grid:update()
 	page.grid:draw()
diff --git a/sys/apps/Overview.lua b/sys/apps/Overview.lua
index 222ae84..05c1ede 100644
--- a/sys/apps/Overview.lua
+++ b/sys/apps/Overview.lua
@@ -102,20 +102,18 @@ local page = UI.Page {
 	},
 	tray = UI.Window {
 		y = -1, width = 8,
-		backgroundColor = colors.lightGray,
-		newApp = UI.Button {
+		backgroundColor = UI.colors.tertiary,
+		newApp = UI.FlatButton {
+			x = 2,
 			text = '+', event = 'new',
-			backgroundFocusColor = colors.lightGray,
 		},
-		mode = UI.Button {
-			x = 3,
+		mode = UI.FlatButton {
+			x = 4,
 			text = '=', event = 'display_mode',
-			backgroundFocusColor = colors.lightGray,
 		},
-		help = UI.Button {
-			x = 5,
+		help = UI.FlatButton {
+			x = 6,
 			text = '?', event = 'help',
-			backgroundFocusColor = colors.lightGray,
 		},
 	},
 	editor = UI.SlideOut {
diff --git a/sys/apps/fileui.lua b/sys/apps/fileui.lua
index f5b1a54..1f95f5e 100644
--- a/sys/apps/fileui.lua
+++ b/sys/apps/fileui.lua
@@ -2,8 +2,9 @@ local UI   = require('opus.ui')
 local Util = require('opus.util')
 
 local shell  = _ENV.shell
+local multishell = _ENV.multishell
 
--- fileui [--path=path] [--exec=filename]
+-- fileui [--path=path] [--exec=filename] [--title=title]
 
 local page = UI.Page {
 	fileselect = UI.FileSelect { },
@@ -22,6 +23,10 @@ local page = UI.Page {
 
 local _, args = Util.parse(...)
 
+if args.title and multishell then
+	multishell.setTitle(multishell.getCurrent(), args.title)
+end
+
 UI:setPage(page, args.path)
 UI:start()
 UI.term:setCursorBlink(false)
@@ -31,5 +36,4 @@ if args.exec and page.selected then
 	return
 end
 
--- print('selected: ' .. tostring(selected))
 return page.selected
diff --git a/sys/apps/system/shell.lua b/sys/apps/system/shell.lua
index c0aa8ff..8ca32fe 100644
--- a/sys/apps/system/shell.lua
+++ b/sys/apps/system/shell.lua
@@ -28,7 +28,7 @@ local defaults = {
 local _colors = config.color or Util.shallowCopy(defaults)
 
 local allSettings = { }
-for k, v in pairs(defaults) do
+for k in pairs(defaults) do
 	table.insert(allSettings, { name = k })
 end
 
@@ -112,7 +112,7 @@ return UI.Tab {
 			self.grid2:draw()
 
 		elseif event.type == 'grid_select' and event.element == self.grid2 then
-			_colors[tab.grid1:getSelected().name] = event.selected.value
+			_colors[self.grid1:getSelected().name] = event.selected.value
 			self.display:draw()
 			self.grid2:draw()
 
diff --git a/sys/apps/system/theme.lua b/sys/apps/system/theme.lua
new file mode 100644
index 0000000..b9d4ed4
--- /dev/null
+++ b/sys/apps/system/theme.lua
@@ -0,0 +1,89 @@
+local Config = require('opus.config')
+local UI     = require('opus.ui')
+local Util   = require('opus.util')
+
+local colors = _G.colors
+
+local allColors = { }
+for k,v in pairs(colors) do
+	if type(v) == 'number' then
+		table.insert(allColors, { name = k, value = v })
+	end
+end
+
+local allSettings = { }
+for k,v in pairs(UI.colors) do
+	allSettings[k] = { name = k, value = v }
+end
+
+return UI.Tab {
+	tabTitle = 'Theme',
+	description = 'Theme colors',
+	grid1 = UI.ScrollingGrid {
+		y = 2, ey = -10, x = 2, ex = -17,
+		disableHeader = true,
+		columns = { { key = 'name' } },
+		values = allSettings,
+		sortColumn = 'name',
+	},
+	grid2 = UI.ScrollingGrid {
+		y = 2, ey = -10, x = -14, ex = -2,
+		disableHeader = true,
+		columns = { { key = 'name' } },
+		values = allColors,
+		sortColumn = 'name',
+		getRowTextColor = function(self, row)
+			local selected = self.parent.grid1:getSelected()
+			if selected.value == row.value then
+				return colors.yellow
+			end
+			return UI.Grid.getRowTextColor(self, row)
+		end
+	},
+	button = UI.Button {
+		x = -9, y = -2,
+		text = 'Update',
+		event = 'update',
+	},
+	display = UI.Window {
+		x = 2, ex = -2, y = -8, height = 5,
+		textColor = colors.black,
+		backgroundColor = colors.black,
+		draw = function(self)
+			self:clear()
+
+			self:write(1, 1, Util.widthify(' Local  Global  Device', self.width),
+				allSettings.secondary.value)
+
+			self:write(2, 2, 'enter command ',
+				colors.black, colors.gray)
+
+			self:write(1, 3, ' Formatted ',
+				allSettings.primary.value)
+
+			self:write(12, 3, Util.widthify(' Output ', self.width - 11),
+				allSettings.tertiary.value)
+
+			self:write(1, 4, Util.widthify(' Key', self.width),
+				allSettings.primary.value)
+		end,
+	},
+	eventHandler = function(self, event)
+		if event.type == 'grid_focus_row' and event.element == self.grid1 then
+			self.grid2:draw()
+
+		elseif event.type == 'grid_select' and event.element == self.grid2 then
+			self.grid1:getSelected().value = event.selected.value
+			self.display:draw()
+			self.grid2:draw()
+
+		elseif event.type == 'update' then
+			local config = Config.load('ui.theme', { colors = { } })
+			for k,v in pairs(allSettings) do
+				config.colors[k] = v.value
+			end
+			Config.update('ui.theme', config)
+		end
+		return UI.Tab.eventHandler(self, event)
+	end
+}
diff --git a/sys/modules/opus/input.lua b/sys/modules/opus/input.lua
index 95298ef..956e0ba 100644
--- a/sys/modules/opus/input.lua
+++ b/sys/modules/opus/input.lua
@@ -165,7 +165,7 @@ function input:translate(event, code, p1, p2)
 			self.mch = 'mouse_up'
 			self.mfired = input:toCode(self.mch, 255)
 		end
-		_syslog(self.mfired)
+
 		return {
 			code = self.mfired,
 			button = code,
diff --git a/sys/modules/opus/ui.lua b/sys/modules/opus/ui.lua
index 3a1657e..93a3837 100644
--- a/sys/modules/opus/ui.lua
+++ b/sys/modules/opus/ui.lua
@@ -209,6 +209,15 @@ end
 
 function Manager:generateTheme(filename)
 	local t = { }
+
+	local function getName(d)
+		for c, n in pairs(colors) do
+			if n == d then
+				return 'colors.' .. c
+			end
+		end
+	end
+
 	for k,v in pairs(self) do
 		if type(v) == 'table' then
 			if v._preload then
@@ -221,17 +230,17 @@ function Manager:generateTheme(filename)
 						if not t[k] then
 							t[k] = { }
 						end
-						for c, n in pairs(colors) do
-							if n == d then
-								t[k][p] = 'colors.' .. c
-								break
-							end
-						end
+						t[k][p] = getName(d)
 					end
 				end
 			end
 		end
 	end
+	t.colors = {
+		primary = getName(self.colors.primary),
+		secondary = getName(self.colors.secondary),
+		tertiary = getName(self.colors.tertiary),
+	}
 	Util.writeFile(filename, textutils.serialize(t):gsub('(")', ''))
 end
 
@@ -409,8 +418,8 @@ end
 
 Manager.colors = {
 	primary = colors.cyan,
-	secondary = colors.blue,
-	tertiary = colors.blue,
+	secondary = colors.lightGray,
+	tertiary = colors.gray,
 }
 
 Manager.exitPullEvents = Event.exitPullEvents
@@ -652,7 +661,7 @@ function UI.Window:setCursorPos(x, y)
 end
 
 function UI.Window:setCursorBlink(blink)
-	self.parent:setCursorBlink(blink)
+	self.cursorBlink = blink
 end
 
 UI.Window.docs.draw = [[draw(VOID)
@@ -1072,7 +1081,6 @@ end
 
 function UI.Device:setCursorBlink(blink)
 	self.cursorBlink = blink
-	self.device.setCursorBlink(blink)
 end
 
 function UI.Device:setTextScale(textScale)
@@ -1130,9 +1138,7 @@ function UI.Device:sync()
 	local transitions = self.effectsEnabled and self.transitions
 	self.transitions = nil
 
-	if self:getCursorBlink() then
-		self.device.setCursorBlink(false)
-	end
+	self.device.setCursorBlink(false)
 
 	if transitions then
 		self:runTransitions(transitions)
@@ -1182,6 +1188,7 @@ end
 loadComponents()
 UI:loadTheme('usr/config/ui.theme')
 Util.merge(UI.Window.defaults, UI.theme.Window)
+Util.merge(UI.colors, UI.theme.colors)
 UI:setDefaultDevice(UI.Device({ device = term.current() }))
 
 return UI
diff --git a/sys/modules/opus/ui/components/Embedded.lua b/sys/modules/opus/ui/components/Embedded.lua
index 03a4c88..d530e33 100644
--- a/sys/modules/opus/ui/components/Embedded.lua
+++ b/sys/modules/opus/ui/components/Embedded.lua
@@ -21,6 +21,9 @@ function UI.Embedded:layout()
 	if not self.win then
 		function self.render()
 			self:sync()
+			if self.focused then
+				self:setCursorPos(self.win.getCursorPos())
+			end
 		end
 		self.win = Terminal.window(UI.term.device, self.x, self.y, self.width, self.height, false)
 		self.win.canvas = self
@@ -38,6 +41,9 @@ end
 
 function UI.Embedded:focus()
 	-- allow scrolling
+	if self.focused then
+		self:setCursorBlink(self.win.getCursorBlink())
+	end
 end
 
 function UI.Embedded:enable()
@@ -67,6 +73,7 @@ function UI.Embedded.example()
 	local term  = _G.term
 
 	return UI.Embedded {
+		y = 2, x = 2, ex = -2, ey = -2,
 		enable = function (self)
 			UI.Embedded.enable(self)
 			Event.addRoutine(function()
@@ -75,10 +82,11 @@ function UI.Embedded.example()
 				term.redirect(oterm)
 			end)
 		end,
-		eventHandler = function(_, event)
+		eventHandler = function(self, event)
 			if event.type == 'key' then
 				return true
 			end
+			return UI.Embedded.eventHandler(self, event)
 		end
 	}
 end
diff --git a/sys/modules/opus/ui/components/FlatButton.lua b/sys/modules/opus/ui/components/FlatButton.lua
new file mode 100644
index 0000000..222b001
--- /dev/null
+++ b/sys/modules/opus/ui/components/FlatButton.lua
@@ -0,0 +1,18 @@
+local class = require('opus.class')
+local UI    = require('opus.ui')
+
+local colors = _G.colors
+
+UI.FlatButton = class(UI.Button)
+UI.FlatButton.defaults = {
+	UIElement = 'FlatButton',
+	textColor = colors.black,
+	textFocusColor = colors.white,
+	noPadding = true,
+}
+function UI.FlatButton:setParent()
+	self.backgroundColor = self.parent:getProperty('backgroundColor')
+	self.backgroundFocusColor = self.backgroundColor
+
+	UI.Button.setParent(self)
+end
diff --git a/sys/modules/opus/ui/components/Grid.lua b/sys/modules/opus/ui/components/Grid.lua
index 49780eb..313bb67 100644
--- a/sys/modules/opus/ui/components/Grid.lua
+++ b/sys/modules/opus/ui/components/Grid.lua
@@ -60,7 +60,7 @@ UI.Grid.defaults = {
 	textSelectedColor = colors.white,
 	backgroundColor = colors.black,
 	backgroundSelectedColor = colors.gray,
-	headerBackgroundColor = UI.colors.tertiary,
+	headerBackgroundColor = UI.colors.primary,
 	headerTextColor = colors.white,
 	headerSortColor = colors.yellow,
 	unfocusedTextSelectedColor = colors.white,
diff --git a/sys/modules/opus/ui/components/MenuBar.lua b/sys/modules/opus/ui/components/MenuBar.lua
index 8f7ef44..663886e 100644
--- a/sys/modules/opus/ui/components/MenuBar.lua
+++ b/sys/modules/opus/ui/components/MenuBar.lua
@@ -8,7 +8,7 @@ UI.MenuBar.defaults = {
 	UIElement = 'MenuBar',
 	buttons = { },
 	height = 1,
-	backgroundColor = colors.lightGray,
+	backgroundColor = UI.colors.secondary,
 	textColor = colors.black,
 	spacing = 2,
 	lastx = 1,
diff --git a/sys/modules/opus/ui/components/MenuItem.lua b/sys/modules/opus/ui/components/MenuItem.lua
index 57f3b31..b43f4c0 100644
--- a/sys/modules/opus/ui/components/MenuItem.lua
+++ b/sys/modules/opus/ui/components/MenuItem.lua
@@ -1,11 +1,8 @@
 local class = require('opus.class')
 local UI    = require('opus.ui')
 
-local colors = _G.colors
-
-UI.MenuItem = class(UI.Button)
+UI.MenuItem = class(UI.FlatButton)
 UI.MenuItem.defaults = {
 	UIElement = 'MenuItem',
-	textFocusColor = colors.white,
-	backgroundFocusColor = colors.lightGray,
+	noPadding = false,
 }
diff --git a/sys/modules/opus/ui/components/Page.lua b/sys/modules/opus/ui/components/Page.lua
index 1a647c4..a7e38ce 100644
--- a/sys/modules/opus/ui/components/Page.lua
+++ b/sys/modules/opus/ui/components/Page.lua
@@ -24,17 +24,10 @@ function UI.Page:postInit()
 	self.__target = self
 end
 
-function UI.Page:enable()
-	UI.Window.enable(self)
-
-	if not self.focused or not self.focused.enabled then
-		self:focusFirst()
-	end
-end
-
 function UI.Page:sync()
 	if self.enabled then
 		self:checkFocus()
+		self.parent:setCursorBlink(self.focused and self.focused.cursorBlink)
 		self.parent:sync()
 	end
 end
@@ -137,15 +130,7 @@ end
 
 function UI.Page:checkFocus()
 	if not self.focused or not self.focused.enabled then
-		local el = self.__target
-		while el do
-			local focusables = el:getFocusables()
-			if focusables[1] then
-				self:setFocus(focusables[1])
-				break
-			end
-			el = el.parent
-		end
+		self.__target:focusFirst()
 	end
 end
 
diff --git a/sys/modules/opus/ui/components/TabBar.lua b/sys/modules/opus/ui/components/TabBar.lua
index 27f7e59..a82fdfd 100644
--- a/sys/modules/opus/ui/components/TabBar.lua
+++ b/sys/modules/opus/ui/components/TabBar.lua
@@ -2,14 +2,13 @@ local class = require('opus.class')
 local UI    = require('opus.ui')
 local Util  = require('opus.util')
 
-local colors = _G.colors
-
 UI.TabBar = class(UI.MenuBar)
 UI.TabBar.defaults = {
 	UIElement = 'TabBar',
 	buttonClass = 'TabBarMenuItem',
-	selectedBackgroundColor = UI.colors.secondary,
-	unselectedBackgroundColor = colors.lightGray,
+	backgroundColor = UI.colors.tertiary,
+	selectedBackgroundColor = UI.colors.primary,
+	unselectedBackgroundColor = UI.colors.tertiary,
 }
 function UI.TabBar:enable()
 	UI.MenuBar.enable(self)
diff --git a/sys/modules/opus/ui/components/TextEntry.lua b/sys/modules/opus/ui/components/TextEntry.lua
index e638338..0af4499 100644
--- a/sys/modules/opus/ui/components/TextEntry.lua
+++ b/sys/modules/opus/ui/components/TextEntry.lua
@@ -28,6 +28,7 @@ UI.TextEntry.defaults = {
 	backgroundFocusColor = colors.black, --lightGray,
 	height = 1,
 	limit = 6,
+	cursorBlink = true,
 	accelerators = {
 		[ 'control-c' ] = 'copy',
 	}
@@ -114,11 +115,6 @@ end
 
 function UI.TextEntry:focus()
 	self:draw()
-	if self.focused then
-		self:setCursorBlink(true)
-	else
-		self:setCursorBlink(false)
-	end
 end
 
 function UI.TextEntry:eventHandler(event)