How to change UIWebview bottom toolbar color?

I have created a UIWebview in my app. I managed to change the background color of the navigation bar with setTintColor. However, I am unable to do th开发者_如何学JAVAe same for the bottom bar (with back/forward/refresh buttons). Can anyone help?

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Did you create the bottom bar yourself? It probably is an UIToolbar:

UIToolbar *bottomToolbar = [[UIToolbar alloc] init];
bottomToolbar.tintColor = [UIColor redColor];