Newbie question, how to customize the title bar and keep the system default style

Internet Baidu custom title bar, found to rewrite an article needs its own style
But I hope that more than just the title bar of a custom button
Others, such as height, background color, so you can not change it?<-! Main posts under Banner (D4) -><-! Posts under the main text (D5) ->
Reply:
Height can change it, decisively ActionBarSherlock ah, what the device supports 4.0, the menu on the title, the style is unified with 4.0 later.
https://github.com/JakeWharton/ActionBarSherlock