diff --git a/web/viewer.css b/web/viewer.css
index 34adfbffb..a505689ce 100644
--- a/web/viewer.css
+++ b/web/viewer.css
@@ -254,14 +254,7 @@ html[dir='rtl'] #sidebarContent {
 #toolbarSidebar {
   width: 200px;
   height: 32px;
-  background-image: url(images/texture.png),
-                    -webkit-linear-gradient(hsla(0,0%,30%,.99), hsla(0,0%,25%,.95));
-  background-image: url(images/texture.png),
-                    -moz-linear-gradient(hsla(0,0%,30%,.99), hsla(0,0%,25%,.95));
-  background-image: url(images/texture.png),
-                    -ms-linear-gradient(hsla(0,0%,30%,.99), hsla(0,0%,25%,.95));
-  background-image: url(images/texture.png),
-                    -o-linear-gradient(hsla(0,0%,30%,.99), hsla(0,0%,25%,.95));
+  background-color: #424242; /* fallback */
   background-image: url(images/texture.png),
                     linear-gradient(hsla(0,0%,30%,.99), hsla(0,0%,25%,.95));
   box-shadow: inset -1px 0 0 rgba(0, 0, 0, 0.25),
@@ -274,15 +267,7 @@ html[dir='rtl'] #sidebarContent {
 #toolbarViewer, .findbar {
   position: relative;
   height: 32px;
-  background-color: #474747; /* IE9 */
-  background-image: url(images/texture.png),
-                    -webkit-linear-gradient(hsla(0,0%,32%,.99), hsla(0,0%,27%,.95));
-  background-image: url(images/texture.png),
-                    -moz-linear-gradient(hsla(0,0%,32%,.99), hsla(0,0%,27%,.95));
-  background-image: url(images/texture.png),
-                    -ms-linear-gradient(hsla(0,0%,32%,.99), hsla(0,0%,27%,.95));
-  background-image: url(images/texture.png),
-                    -o-linear-gradient(hsla(0,0%,32%,.99), hsla(0,0%,27%,.95));
+  background-color: #474747; /* fallback */
   background-image: url(images/texture.png),
                     linear-gradient(hsla(0,0%,32%,.99), hsla(0,0%,27%,.95));
   box-shadow: inset 1px 0 0 hsla(0,0%,100%,.08),
@@ -462,10 +447,6 @@ html[dir='rtl'] .splitToolbarButton > .toolbarButton {
 .splitToolbarButton.toggled > .toolbarButton,
 .toolbarButton.textButton {
   background-color: hsla(0,0%,0%,.12);
-  background-image: -webkit-linear-gradient(hsla(0,0%,100%,.05), hsla(0,0%,100%,0));
-  background-image: -moz-linear-gradient(hsla(0,0%,100%,.05), hsla(0,0%,100%,0));
-  background-image: -ms-linear-gradient(hsla(0,0%,100%,.05), hsla(0,0%,100%,0));
-  background-image: -o-linear-gradient(hsla(0,0%,100%,.05), hsla(0,0%,100%,0));
   background-image: linear-gradient(hsla(0,0%,100%,.05), hsla(0,0%,100%,0));
   background-clip: padding-box;
   border: 1px solid hsla(0,0%,0%,.35);
@@ -600,10 +581,6 @@ html[dir='rtl'] .dropdownToolbarButton {
 .toolbarButton:focus,
 .dropdownToolbarButton {
   background-color: hsla(0,0%,0%,.12);
-  background-image: -webkit-linear-gradient(hsla(0,0%,100%,.05), hsla(0,0%,100%,0));
-  background-image: -moz-linear-gradient(hsla(0,0%,100%,.05), hsla(0,0%,100%,0));
-  background-image: -ms-linear-gradient(hsla(0,0%,100%,.05), hsla(0,0%,100%,0));
-  background-image: -o-linear-gradient(hsla(0,0%,100%,.05), hsla(0,0%,100%,0));
   background-image: linear-gradient(hsla(0,0%,100%,.05), hsla(0,0%,100%,0));
   background-clip: padding-box;
   border: 1px solid hsla(0,0%,0%,.35);
@@ -616,10 +593,6 @@ html[dir='rtl'] .dropdownToolbarButton {
 .toolbarButton:hover:active,
 .dropdownToolbarButton:hover:active {
   background-color: hsla(0,0%,0%,.2);
-  background-image: -webkit-linear-gradient(hsla(0,0%,100%,.05), hsla(0,0%,100%,0));
-  background-image: -moz-linear-gradient(hsla(0,0%,100%,.05), hsla(0,0%,100%,0));
-  background-image: -ms-linear-gradient(hsla(0,0%,100%,.05), hsla(0,0%,100%,0));
-  background-image: -o-linear-gradient(hsla(0,0%,100%,.05), hsla(0,0%,100%,0));
   background-image: linear-gradient(hsla(0,0%,100%,.05), hsla(0,0%,100%,0));
   border-color: hsla(0,0%,0%,.35) hsla(0,0%,0%,.4) hsla(0,0%,0%,.45);
   box-shadow: 0 1px 1px hsla(0,0%,0%,.1) inset,
@@ -645,10 +618,6 @@ html[dir='rtl'] .dropdownToolbarButton {
 .toolbarButton.toggled,
 .splitToolbarButton.toggled > .toolbarButton.toggled {
   background-color: hsla(0,0%,0%,.3);
-  background-image: -webkit-linear-gradient(hsla(0,0%,100%,.05), hsla(0,0%,100%,0));
-  background-image: -moz-linear-gradient(hsla(0,0%,100%,.05), hsla(0,0%,100%,0));
-  background-image: -ms-linear-gradient(hsla(0,0%,100%,.05), hsla(0,0%,100%,0));
-  background-image: -o-linear-gradient(hsla(0,0%,100%,.05), hsla(0,0%,100%,0));
   background-image: linear-gradient(hsla(0,0%,100%,.05), hsla(0,0%,100%,0));
   border-color: hsla(0,0%,0%,.4) hsla(0,0%,0%,.45) hsla(0,0%,0%,.5);
   box-shadow: 0 1px 1px hsla(0,0%,0%,.1) inset,
@@ -880,7 +849,7 @@ html[dir='rtl'] .toolbarButton.pageDown::before {
   border: 1px solid transparent;
   border-radius: 2px;
   background-color: hsla(0,0%,100%,.09);
-  background-image: -moz-linear-gradient(hsla(0,0%,100%,.05), hsla(0,0%,100%,0));
+  background-image: linear-gradient(hsla(0,0%,100%,.05), hsla(0,0%,100%,0));
   background-clip: padding-box;
   border: 1px solid hsla(0,0%,0%,.35);
   border-color: hsla(0,0%,0%,.32) hsla(0,0%,0%,.38) hsla(0,0%,0%,.42);
@@ -977,7 +946,7 @@ a:focus > .thumbnail > .thumbnailSelectionRing > .thumbnailImage,
 a:focus > .thumbnail > .thumbnailSelectionRing,
 .thumbnail:hover > .thumbnailSelectionRing {
   background-color: hsla(0,0%,100%,.15);
-  background-image: -moz-linear-gradient(hsla(0,0%,100%,.05), hsla(0,0%,100%,0));
+  background-image: linear-gradient(hsla(0,0%,100%,.05), hsla(0,0%,100%,0));
   background-clip: padding-box;
   box-shadow: 0 1px 0 hsla(0,0%,100%,.05) inset,
               0 0 1px hsla(0,0%,100%,.2) inset,
@@ -992,7 +961,7 @@ a:focus > .thumbnail > .thumbnailSelectionRing,
 
 .thumbnail.selected > .thumbnailSelectionRing {
   background-color: hsla(0,0%,100%,.3);
-  background-image: -moz-linear-gradient(hsla(0,0%,100%,.05), hsla(0,0%,100%,0));
+  background-image: linear-gradient(hsla(0,0%,100%,.05), hsla(0,0%,100%,0));
   background-clip: padding-box;
   box-shadow: 0 1px 0 hsla(0,0%,100%,.05) inset,
               0 0 1px hsla(0,0%,100%,.1) inset,
@@ -1043,7 +1012,7 @@ html[dir='rtl'] .outlineItem > a {
 
 .outlineItem > a:hover {
   background-color: hsla(0,0%,100%,.02);
-  background-image: -moz-linear-gradient(hsla(0,0%,100%,.05), hsla(0,0%,100%,0));
+  background-image: linear-gradient(hsla(0,0%,100%,.05), hsla(0,0%,100%,0));
   background-clip: padding-box;
   box-shadow: 0 1px 0 hsla(0,0%,100%,.05) inset,
               0 0 1px hsla(0,0%,100%,.2) inset,
@@ -1053,7 +1022,7 @@ html[dir='rtl'] .outlineItem > a {
 
 .outlineItem.selected {
   background-color: hsla(0,0%,100%,.08);
-  background-image: -moz-linear-gradient(hsla(0,0%,100%,.05), hsla(0,0%,100%,0));
+  background-image: linear-gradient(hsla(0,0%,100%,.05), hsla(0,0%,100%,0));
   background-clip: padding-box;
   box-shadow: 0 1px 0 hsla(0,0%,100%,.05) inset,
               0 0 1px hsla(0,0%,100%,.1) inset,
@@ -1146,8 +1115,7 @@ canvas {
   height: 25px;
 
   background-color: hsla(0,0%,0%,.3);
-  background-image: -moz-linear-gradient(hsla(0,0%,100%,.05), hsla(0,0%,100%,0));
-  background-image: -webkit-linear-gradient(hsla(0,0%,100%,.05), hsla(0,0%,100%,0));
+  background-image: linear-gradient(hsla(0,0%,100%,.05), hsla(0,0%,100%,0));
   border: 1px solid #000;
   box-shadow: 0 1px 1px hsla(0,0%,0%,.1) inset,
               0 0 1px hsla(0,0%,0%,.2) inset,
@@ -1159,12 +1127,7 @@ canvas {
   float: left;
 
   background: #666;
-  background: -webkit-gradient(linear, left top, left bottom, color-stop(0%,#b2b2b2), color-stop(100%,#898989));
-  background: -webkit-linear-gradient(top, #b2b2b2 0%,#898989 100%);
-  background: -moz-linear-gradient(top, #b2b2b2 0%,#898989 100%);
-  background: -ms-linear-gradient(top, #b2b2b2 0%,#898989 100%);
-  background: -o-linear-gradient(top, #b2b2b2 0%,#898989 100%);
-  background: linear-gradient(top, #b2b2b2 0%,#898989 100%);
+  background: linear-gradient(#b2b2b2 0%,#898989 100%);
 
   border-top-left-radius: 2px;
   border-bottom-left-radius: 2px;
@@ -1181,10 +1144,8 @@ canvas {
 #loadingBar .progress.indeterminate {
   width: 100%;
   height: 25px;
-  background-image: -moz-linear-gradient( 30deg, #404040, #404040 15%, #898989, #404040 85%, #404040);
-  background-image: -webkit-linear-gradient( 30deg, #404040, #404040 15%, #898989, #404040 85%, #404040);
-  background-image: -ms-linear-gradient( 30deg, #404040, #404040 15%, #898989, #404040 85%, #404040);
-  background-image: -o-linear-gradient( 30deg, #404040, #404040 15%, #898989, #404040 85%, #404040);
+  background-color: #666;
+  background-image: linear-gradient(60deg, #404040, #404040 15%, #898989, #404040 85%, #404040);
   background-size: 75px 25px;
   -moz-animation: progressIndeterminate 1s linear infinite;
   -webkit-animation: progressIndeterminate 1s linear infinite;