TableHeader Font

- (UIView *)tableView:(UITableView *)tableView viewForHeaderInSection:(NSInteger)section
{
	// create the parent view that will hold header Label
	UIView* customView = [[UIView alloc] initWithFrame:CGRectMake(10.0, 0.0, 300.0, 44.0)];
	NSString *sectionTitle = [self tableView:tableView titleForHeaderInSection:section];
	// create the button object
	UILabel * headerLabel = [[UILabel alloc] initWithFrame:CGRectZero];
	headerLabel.backgroundColor = [UIColor clearColor];
	headerLabel.opaque = NO;
	headerLabel.textColor = [UIColor blackColor];
	headerLabel.highlightedTextColor = [UIColor whiteColor];
	headerLabel.font = [UIFont boldSystemFontOfSize:20];
	headerLabel.frame = CGRectMake(10.0, 0.0, 300.0, 44.0);
 
	// If you want to align the header text as centered
	// headerLabel.frame = CGRectMake(150.0, 0.0, 300.0, 44.0);
 
	headerLabel.text = sectionTitle; // i.e. array element
	[customView addSubview:headerLabel];
 
	return customView;
}