diff --git a/src/webui/www/private/css/Layout.css b/src/webui/www/private/css/Layout.css
index 2337a1f35..02c8f8e96 100644
--- a/src/webui/www/private/css/Layout.css
+++ b/src/webui/www/private/css/Layout.css
@@ -186,7 +186,7 @@ body {
 
 #desktopNavbar li ul li a:hover {
     background: #6c98d9;
-    -moz-border-radius: 2px;
+    border-radius: 2px;
     color: #fff;
 }
 
@@ -400,7 +400,7 @@ div.toolbox.divider {
 
 .iconWrapper:hover {
     border: 1px solid #a0a0a0;
-    -moz-border-radius: 3px;
+    border-radius: 3px;
 }
 
 #spinnerWrapper {
diff --git a/src/webui/www/private/css/Window.css b/src/webui/www/private/css/Window.css
index 42be85944..f0dbb4040 100644
--- a/src/webui/www/private/css/Window.css
+++ b/src/webui/www/private/css/Window.css
@@ -97,11 +97,8 @@ div.mochaToolbarWrapper.bottom {
 
 .mocha .handle {
     background: #0f0;
-    -ms-filter: "progid:DXImageTransform.Microsoft.Alpha(Opacity=0)"; /* IE8 */
-    filter: progid:DXImageTransform.Microsoft.Alpha(Opacity=0); /* IE6 and 7*/
     font-size: 1px; /* For IE6 */
     height: 3px;
-    -moz-opacity: 0;
     opacity: 0%;
     overflow: hidden;
     position: absolute;
@@ -210,10 +207,7 @@ div.mochaToolbarWrapper.bottom {
 #modalOverlay {
     background: #000;
     display: none;
-    -ms-filter: "progid:DXImageTransform.Microsoft.Alpha(Opacity=0)"; /* IE8 */
-    filter: progid:DXImageTransform.Microsoft.Alpha(Opacity=0); /* IE6 and 7*/
     left: 0;
-    -moz-opacity: 0;
     opacity: 0%;
     position: fixed;
     top: 0;
@@ -224,10 +218,7 @@ div.mochaToolbarWrapper.bottom {
 /* Fix for IE6 select z-index issue */
 #modalFix {
     display: none;
-    -ms-filter: "progid:DXImageTransform.Microsoft.Alpha(Opacity=0)"; /* IE8 */
-    filter: progid:DXImageTransform.Microsoft.Alpha(Opacity=0); /* IE6 and 7*/
     left: 0;
-    -moz-opacity: 0;
     opacity: 0%;
     position: absolute;
     top: 0;
@@ -317,9 +308,6 @@ div.mochaToolbarWrapper.bottom {
 }
 
 .mocha.notification .mochaTitlebar {
-    -ms-filter: "progid:DXImageTransform.Microsoft.Alpha(Opacity=0)"; /* IE8 */
-    filter: progid:DXImageTransform.Microsoft.Alpha(Opacity=0); /* IE6 and 7*/
-    -moz-opacity: 0;
     opacity: 0%;
 }
 
diff --git a/src/webui/www/private/css/dynamicTable.css b/src/webui/www/private/css/dynamicTable.css
index 3b8921b71..18234d0be 100644
--- a/src/webui/www/private/css/dynamicTable.css
+++ b/src/webui/www/private/css/dynamicTable.css
@@ -52,8 +52,6 @@ tr.dynamicTableHeader {
 .dynamicTable th {
     background-color: #eee;
     border-right: 1px solid #ccc;
-    -moz-box-sizing: border-box;
-    -webkit-box-sizing: border-box;
     box-sizing: border-box;
     padding: 4px;
     white-space: nowrap;
diff --git a/src/webui/www/private/css/style.css b/src/webui/www/private/css/style.css
index 6e7f40e95..033061fad 100644
--- a/src/webui/www/private/css/style.css
+++ b/src/webui/www/private/css/style.css
@@ -260,7 +260,6 @@ a.propButton img {
 
 .contextMenu li img {
     height: 16px;
-    -ms-interpolation-mode: bicubic;
     margin-bottom: -4px;
     width: 16px;
 }
@@ -407,8 +406,6 @@ label.partial {
 
 fieldset.settings {
     border: solid 1px black;
-    -webkit-border-radius: 8px;
-    -moz-border-radius: 8px;
     border-radius: 8px;
     padding: 4px 4px 4px 10px;
 }
@@ -506,10 +503,6 @@ td.generalLabel {
 
 .unselectable {
     -webkit-touch-callout: none;
-    -webkit-user-select: none;
-    -khtml-user-select: none;
-    -moz-user-select: none;
-    -ms-user-select: none;
     user-select: none;
 }