+ XSetWindowBackground(ob_display, self->innerbll, px);
+ XClearWindow(ob_display, self->innerbll);
+ XSetWindowBackground(ob_display, self->innerbrr, px);
+ XClearWindow(ob_display, self->innerbrr);
+ XSetWindowBackground(ob_display, self->innerblb, px);
+ XClearWindow(ob_display, self->innerblb);
+ XSetWindowBackground(ob_display, self->innerbrb, px);
+ XClearWindow(ob_display, self->innerbrb);