diff --git a/images/style-mission.css b/images/style-mission.css
index 10a8a3c..8492859 100644
--- a/images/style-mission.css
+++ b/images/style-mission.css
@@ -131,6 +131,10 @@ QToolButton {
 	border: 1px solid #EEEEEE;
 	border-radius: 5px;
 	background-color: qlineargradient(x1: 0, y1: 0, x2: 0, y2: 1, stop: 0 #303030, stop: 1 #202020);
+}
+
+QToolButton:checked {
+	background-color: qlineargradient(x1: 0, y1: 0, x2: 0, y2: 1, stop: 0 #090909, stop: 1 #353535);
 }
 
 QToolButton:pressed {