diff --git a/web/viewer.css b/web/viewer.css
index 7f9a83288..211a0a1a4 100644
--- a/web/viewer.css
+++ b/web/viewer.css
@@ -64,15 +64,7 @@ select {
   cursor: none;
 }
 
-:-webkit-full-screen .page:last-child {
-  margin-bottom: 40px;
-}
-
-:-moz-full-screen .page:last-child {
-  margin-bottom: 40px;
-}
-
-#viewerContainer:full-screen {
+#viewerContainer:fullscreen {
   top: 0px;
   border-top: 5px solid transparent;
   background-color: #404040;
@@ -83,6 +75,19 @@ select {
   cursor: none;
 }
 
+
+:-webkit-full-screen .page {
+  margin-bottom: 100%;
+}
+
+:-moz-full-screen .page {
+  margin-bottom: 100%;
+}
+
+:fullscreen .page {
+  margin-bottom: 100%;
+}
+
 #viewerContainer.presentationControls {
   cursor: default;
 }
@@ -213,7 +218,6 @@ html[dir='rtl'] #sidebarContent {
 #viewerContainer {
   overflow: auto;
   box-shadow: inset 1px 0 0 hsla(0,0%,100%,.05);
-  padding-top: 30px;
   position: absolute;
   top: 32px;
   right: 0;
diff --git a/web/viewer.js b/web/viewer.js
index 393c1a4b1..72ae805f6 100644
--- a/web/viewer.js
+++ b/web/viewer.js
@@ -24,6 +24,7 @@ var kUnknownScale = 0;
 var kCacheSize = 20;
 var kCssUnits = 96.0 / 72.0;
 var kScrollbarPadding = 40;
+var kVerticalPadding = 5;
 var kMinScale = 0.25;
 var kMaxScale = 4.0;
 var kImageDirectory = './images/';
@@ -716,7 +717,7 @@ var PDFView = {
 
     var pageWidthScale = (container.clientWidth - kScrollbarPadding) /
                           currentPage.width * currentPage.scale / kCssUnits;
-    var pageHeightScale = (container.clientHeight - kScrollbarPadding) /
+    var pageHeightScale = (container.clientHeight - kVerticalPadding) /
                            currentPage.height * currentPage.scale / kCssUnits;
     switch (value) {
       case 'page-actual':