titlebutton-close
titlebutton-close-backdrop
titlebutton-close-backdrop-hover
titlebutton-close-hover
titlebutton-close-active
titlebutton-maximize
titlebutton-maximize-backdrop
titlebutton-maximize-backdrop-hover
titlebutton-maximize-hover
titlebutton-maximize-active
titlebutton-minimize
titlebutton-minimize-backdrop
titlebutton-minimize-backdrop-hover
titlebutton-minimize-hover
titlebutton-minimize-active
titlebutton-restore
titlebutton-restore-backdrop
titlebutton-restore-backdrop-hover
titlebutton-restore-hover
titlebutton-restore-active
