Make operations sections of update card less dark (#1302)

Author: AlexanderVanhee

src/style.css

@@ -850,7 +850,7 @@ window.narrow .category-tile {
 }
 
 .operations {
-	background-color: rgba(0, 0, 0, 0.10);
+	background-color: rgba(255, 255, 255, 0.040);
 	border-radius: 0px 0px 12px 12px;
 }