diff --git a/app/gui/oven_control/mainwindow.ui b/app/gui/oven_control/mainwindow.ui
index 756a7ab..e99bb07 100644
--- a/app/gui/oven_control/mainwindow.ui
+++ b/app/gui/oven_control/mainwindow.ui
@@ -26,6 +26,8 @@
    <string notr="true">#centralwidget { background-image: url(:/images/background/main.png); }
 #bottomBar { background-image: url(:/images/bottom_bar/background.png); }
 
+QWidget { outline: none; }
+
 QPushButton[style=&quot;mode&quot;] {
 background-repeat: no-repeat;
 background-position: center;