diff --git a/inst/reveal.js-3.3.0/css/theme/black.css b/inst/reveal.js-3.3.0/css/theme/black.css
index 54d44c3..511fa79 100644
--- a/inst/reveal.js-3.3.0/css/theme/black.css
+++ b/inst/reveal.js-3.3.0/css/theme/black.css
@@ -1,7 +1,7 @@
 /**
  * Black theme for reveal.js. This is the opposite of the 'white' theme.
  *
- * Copyright (C) 2015 Hakim El Hattab, http://hakim.se
+ * By Hakim El Hattab, http://hakim.se
  */
 @import url(../../lib/font/source-sans-pro/source-sans-pro.css);
 section.has-light-background, section.has-light-background h1, section.has-light-background h2, section.has-light-background h3, section.has-light-background h4, section.has-light-background h5, section.has-light-background h6 {
@@ -182,7 +182,8 @@
 .reveal table td[align="right"] {
   text-align: right; }
 
-.reveal table tr:last-child td {
+.reveal table tbody tr:last-child th,
+.reveal table tbody tr:last-child td {
   border-bottom: none; }
 
 .reveal sup {
@@ -206,9 +207,9 @@
 .reveal a {
   color: #42affa;
   text-decoration: none;
-  -webkit-transition: color 0.15s ease;
-  -moz-transition: color 0.15s ease;
-  transition: color 0.15s ease; }
+  -webkit-transition: color .15s ease;
+  -moz-transition: color .15s ease;
+  transition: color .15s ease; }
 
 .reveal a:hover {
   color: #8dcffc;
@@ -233,9 +234,9 @@
   box-shadow: none; }
 
 .reveal a img {
-  -webkit-transition: all 0.15s linear;
-  -moz-transition: all 0.15s linear;
-  transition: all 0.15s linear; }
+  -webkit-transition: all .15s linear;
+  -moz-transition: all .15s linear;
+  transition: all .15s linear; }
 
 .reveal a:hover img {
   background: rgba(255, 255, 255, 0.2);