diff --git a/css/reveal.css b/css/reveal.css
index 0cca3243..2f115e5f 100644
--- a/css/reveal.css
+++ b/css/reveal.css
@@ -275,12 +275,12 @@ html:-moz-full-screen-ancestor {
   display: block;
   right: 8px;
   bottom: 8px;
-  opacity: 0.5;
   z-index: 31;
   font-family: Helvetica, sans-serif;
   font-size: 12px;
+  line-height: 1;
   color: #fff;
-  background-color: rgba(0, 0, 0, 0.7);
+  background-color: rgba(0, 0, 0, 0.4);
   padding: 5px; }
 
 .reveal .slide-number-delimiter {
diff --git a/css/reveal.scss b/css/reveal.scss
index 45f416f6..d932269c 100644
--- a/css/reveal.scss
+++ b/css/reveal.scss
@@ -331,12 +331,12 @@ html:-moz-full-screen-ancestor {
 	display: block;
 	right: 8px;
 	bottom: 8px;
-	opacity: 0.5;
 	z-index: 31;
 	font-family: Helvetica, sans-serif;
 	font-size: 12px;
+	line-height: 1;
 	color: #fff;
-	background-color: rgba( 0, 0, 0, 0.7 );
+	background-color: rgba( 0, 0, 0, 0.4 );
 	padding: 5px;
 }