Remove accessible slide status when printing to PDF

dist/print/pdf.css

@@ -9,7 +9,8 @@ html.print-pdf {
   /* Slide backgrounds are placed inside of their slide when exporting to PDF */
   /* Display slide speaker notes when 'showNotes' is enabled */
   /* Layout option which makes notes appear on a separate page */
-  /* Display slide numbers when 'slideNumber' is enabled */ }
+  /* Display slide numbers when 'slideNumber' is enabled */
+  /* This accessibility tool is not useful in PDF and breaks it visually */ }
   html.print-pdf * {
     -webkit-print-color-adjust: exact; }
   html.print-pdf {
@@ -122,3 +123,5 @@ html.print-pdf {
     display: block;
     position: absolute;
     font-size: 14px; }
+  html.print-pdf .aria-status {
+    display: none; }

dist/reveal.css

@@ -1,5 +1,5 @@
 /*!
-* reveal.js 4.0.0-dev (Wed Mar 11 2020)
+* reveal.js 4.0.0-dev (Thu Mar 12 2020)
 * https://revealjs.com
 * MIT licensed
 *