diff --git a/apps/common/main/resources/less/combobox.less b/apps/common/main/resources/less/combobox.less
index 56271b36e..700a223e4 100644
--- a/apps/common/main/resources/less/combobox.less
+++ b/apps/common/main/resources/less/combobox.less
@@ -13,10 +13,10 @@
         font-size:  @font-size-base;
         line-height: @line-height-base;
 
-        //-o-transition: border-color ease-in-out .15s;
-        //-webkit-transition: border-color ease-in-out .15s;
-        //-moz-transition: border-color ease-in-out .15s;
-        //transition: border-color ease-in-out .15s;
+        -o-transition: border-color ease-in-out .15s, box-shadow ease-in-out .15s;
+        -webkit-transition: border-color ease-in-out .15s, box-shadow ease-in-out .15s;
+        -moz-transition: border-color ease-in-out .15s, box-shadow ease-in-out .15s;
+        transition: border-color ease-in-out .15s, box-shadow ease-in-out .15s;
 
         border-top-right-radius: 2px !important;
         border-bottom-right-radius: 2px !important;
@@ -156,8 +156,8 @@
     }
 
     .masked & {
-        &:disabled {
-            &, .btn-default {
+        &.disabled {
+            .form-control, .btn-default {
                 opacity: 1;
             }
         }