objective C function to inject CSS from a local file into a webview

gistfile1.h

-(void)injectCSS {
	NSString *path = [[NSBundle mainBundle] pathForResource:@"override" ofType:@"css"];
	NSString * cssString = [NSString stringWithContentsOfFile:path encoding:NSASCIIStringEncoding error:nil];
	cssString = [cssString stringByReplacingOccurrencesOfString:@"\n" withString:@""];	
	cssString = [cssString stringByReplacingOccurrencesOfString:@"\"" withString:@"'"];	

	NSString * js = [NSString stringWithFormat:@"$('head').append('<style>%@</style>');", cssString];

	[webView stringByEvaluatingJavaScriptFromString:js];
}