✨

app/src/main/res/layout/activity_main.xml

@@ -15,7 +15,6 @@
         android:layout_margin="16dp"
         android:layout_weight="3"
         android:layout_marginTop="0dp"
-        android:elevation="4dp"
         android:orientation="vertical"
         android:gravity="right|bottom">
         <TextView
@@ -108,10 +107,12 @@
             android:layout_rowWeight="1"
             android:layout_columnWeight="1"
             android:textSize="30sp"
+            android:gravity="center"
             android:layout_margin="4dp"
             app:icon="@drawable/backspace"
+            android:textAlignment="center"
             app:layout_constraintDimensionRatio="1:1"
-            app:iconSize="30dp"
+            app:iconSize="32dp"
             app:cornerRadius="15dp"/>
         <!-- Row 2 -->
         <com.google.android.material.button.MaterialButton