diff --git a/build/css/ox.ui.css b/build/css/ox.ui.css
index 7d84b82c..7ca25bc3 100644
--- a/build/css/ox.ui.css
+++ b/build/css/ox.ui.css
@@ -11,11 +11,11 @@ Base
 body {
     margin: 0;
     overflow: hidden;
-    -moz-user-select: none;
+    -moz-user-select: -moz-none;
     -webkit-user-select: none;
 }
 div {
-    -moz-user-select: none;
+    -moz-user-select: -moz-none;
     -webkit-user-select: none;
 }
 div, input, textarea {
@@ -25,6 +25,10 @@ div, input, textarea {
 td {
     padding: 0;
 }
+.OxSelectable {
+    -moz-user-select: text;
+    -webkit-user-select: text;
+}
 
 /*
 ================================================================================