diff --git a/apps/common/main/resources/less/toolbar.less b/apps/common/main/resources/less/toolbar.less
index 0b748683d9..3d6d769761 100644
--- a/apps/common/main/resources/less/toolbar.less
+++ b/apps/common/main/resources/less/toolbar.less
@@ -783,6 +783,7 @@
                         .tab-toolbar-color();
                     }
                     border-radius: @toolbar-tab-line-radius;
+                    transition: margin-left .05s ease-in-out, width .05s ease-in-out, opacity .1s ease-in-out;
                 }
 
                 &.active,