title: Display UIWebView from html string with font and css
body: <p>I want to display an view from html code
  here is my code to add to main view from web view,</p>
  
  <pre><code>- (void) createWebViewWithHTML{
  //create the string
  NSMutableString *html = [NSMutableString stringWithString: @"&lt;html&gt;&lt;head&gt;&lt;title&gt;&lt;/title&gt;&lt;/head&gt;&lt;body style=\"background:transparent;\"&gt;"];
  
  //continue building the string
  [html appendString:@"body content here"];
  [html appendString:@"&lt;/body&gt;&lt;/html&gt;"];
  
  //instantiate the web view
  UIWebView *webView = [[UIWebView alloc] initWithFrame:self.view.frame];
  
  //make the background transparent
  [webView setBackgroundColor:[UIColor clearColor]];
  
  //pass the string to the webview
  [webView loadHTMLString:[html description] baseURL:nil];
  
  //add it to the subview
  [self.view addSubview:webView];
  </code></pre>
  
  <p>}
  but problems are:
  1, the background of uiwebview is white color not transparent
  2, i want to add css and custom font to my code, please give me an example or solution or sample code
  Thanks for your helps!</p>