adding details to TextBackground

src/qml/presenter/TextBackground.qml

@@ -1,6 +1,8 @@
 import QtQuick 2.13
+import QtGraphicalEffects 1.15
 
 Rectangle {
+    id: root
     // Used for 
     property var control
     property bool errorCondition
@@ -17,4 +19,14 @@ Rectangle {
         else
             return Kirigami.Theme.positiveColor
     }
+
+    DropShadow {
+        id: shadow
+        source: root
+        horizontalOffset: 2
+        verticalOffset: 2
+        radius: 3
+        samples: 8
+        color: "black"
+    }
 }