SIgnature text don't appear on iOS PDF Kit

https://drive.google.com/open?id=12UWJmisV6Bk2Sl7SJ07yCReU_ePCyEQ9

code snippets on iOS to view the PDF using PDFKit

< ="text/"> p.p1 {margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px Menlo; color: #ffffff; background-color: #282b35} p.p2 {margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px Menlo; color: #ffffff; background-color: #282b35; min-height: 13.0px} p.p3 {margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px Menlo; color: #00afca; background-color: #282b35} p.p4 {margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px Menlo; color: #4dbf56; background-color: #282b35} span.s1 {color: #c2349b} span.s2 {color: #00afca} span.s3 {color: #ffffff} span.s4 {color: #8b84cf}

- (void)viewPDF:(NSString*)path{ 

  

    NSURL *pdfURL = [[NSURL alloc]initFileURLWithPath:path];

    CGPDFDocumentRef document = CGPDFDocumentCreateWithURL((CFURLRef)pdfURL);

    

    CGPDFPageRef pdfPageRef = CGPDFDocumentGetPage(document, 1);

    float width = CGPDFPageGetBoxRect(pdfPageRef, kCGPDFMediaBox).size.width;

    float height = CGPDFPageGetBoxRect(pdfPageRef, kCGPDFMediaBox).size.height; 

    CGRect screenRect = [[UIScreen mainScreen]bounds]; 

    PDFView *pdfWeb = [[PDFView alloc] init];

    pdfWeb.frame = CGRectMake(0, self.navigationController.navigationBar.frame.size.height, screenRect.size.width, height*screenRect.size.width/width); 

    PDFDocument *pdfDocument = [[PDFDocument alloc] initWithURL: pdfURL];

    [self.view addSubview:pdfWeb];

    pdfWeb.document = pdfDocument;

}