diff --git a/src/blackgui/share/qss/stdwidget.qss b/src/blackgui/share/qss/stdwidget.qss
index 0eb8da9ab..ad90d48a9 100644
--- a/src/blackgui/share/qss/stdwidget.qss
+++ b/src/blackgui/share/qss/stdwidget.qss
@@ -716,6 +716,20 @@ QToolTip {
   border: 1px solid white;
 }
 
+BlackGui--Components--CAudioDeviceVolumeSetupComponent
+QProgressBar {
+  border: 1px solid grey;
+  border-radius: 5px;
+  height: 1em;
+  /** background-color: qlineargradient(x1:0, y1:0, x2:1, y2:0, stop:0 white, stop: 0.4 gray, stop:1 green); **/
+}
+
+BlackGui--Components--CAudioDeviceVolumeSetupComponent
+QProgressBar::chunk {
+  width:  20px;
+  margin: 0.0px;
+}
+
 /** T506 supervisor messages **/
 QTabBar::tab[supervisormsg=true] { background-color: red; }
 QTextEdit[supervisormsg=true] { border: 2px solid red; margin: 2px; }