diff --git a/css/print/pdf.css b/css/print/pdf.css
index 8c82f73..d3bf951 100644
--- a/css/print/pdf.css
+++ b/css/print/pdf.css
@@ -132,7 +132,7 @@ ul, ol, div, p {
 }
 
 /* Slide backgrounds are placed inside of their slide when exporting to PDF */
-.reveal section .slide-background {
+.reveal .slide-background {
 	display: block !important;
 	position: absolute;
 	top: 0;
diff --git a/js/reveal.js b/js/reveal.js
index 8b00420..95a4883 100644
--- a/js/reveal.js
+++ b/js/reveal.js
@@ -656,7 +656,7 @@
 				// Reduce total height by 1px so that the page ends before
 				// the page, otherwise the page's 'page-break-after' will
 				// land on the wrong page
-				page.style.height = ( ( pageHeight * numberOfPages ) - 1 ) + 'px';
+				page.style.height = ( ( pageHeight - 1 ) * numberOfPages ) + 'px';
 
 				slide.parentNode.insertBefore( page, slide );
 				page.appendChild( slide );