diff --git a/res/app/control-panes/device-control/device-control.css b/res/app/control-panes/device-control/device-control.css
index 2152389b..2a51d2f9 100644
--- a/res/app/control-panes/device-control/device-control.css
+++ b/res/app/control-panes/device-control/device-control.css
@@ -1,3 +1,7 @@
+device-screen canvas {
+  transition: width 80ms linear;
+}
+
 device-screen {
   position: relative;
   display: block;