diff --git a/app/src/main/res/drawable-v24/background.png b/app/src/main/res/drawable-v24/background.png
index 7bddcac..de24064 100644
Binary files a/app/src/main/res/drawable-v24/background.png and b/app/src/main/res/drawable-v24/background.png differ
diff --git a/app/src/main/res/drawable/bg_gradient.xml b/app/src/main/res/drawable/bg_gradient.xml
new file mode 100644
index 0000000..866ed39
--- /dev/null
+++ b/app/src/main/res/drawable/bg_gradient.xml
@@ -0,0 +1,8 @@
+
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\ No newline at end of file
diff --git a/app/src/main/res/layout/activity_main.xml b/app/src/main/res/layout/activity_main.xml
index 3d0ef24..094bb09 100644
--- a/app/src/main/res/layout/activity_main.xml
+++ b/app/src/main/res/layout/activity_main.xml
@@ -13,14 +13,17 @@
android:scaleType="centerCrop"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toEndOf="parent"
+ app:layout_constraintHorizontal_bias="0.0"
app:layout_constraintStart_toStartOf="parent"
- app:layout_constraintTop_toTopOf="@+id/input"
+ app:layout_constraintTop_toTopOf="parent"
+ app:layout_constraintVertical_bias="0.0"
app:srcCompat="@drawable/background" />
@@ -46,241 +49,269 @@
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintTop_toBottomOf="@+id/left_out" />
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+ app:layout_constraintTop_toBottomOf="@+id/input" />
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+ android:backgroundTint="#80323232"
+ android:backgroundTintMode="src_in"
+ android:hapticFeedbackEnabled="false"
+ android:insetTop="0dp"
+ android:insetBottom="0dp"
+ android:text="+"
+ app:cornerRadius="0dp" />
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+ android:backgroundTint="#80323232"
+ android:backgroundTintMode="src_in"
+ android:hapticFeedbackEnabled="false"
+ android:insetTop="0dp"
+ android:insetBottom="0dp"
+ android:text="^"
+ app:cornerRadius="0dp" />
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-
+ app:layout_constraintStart_toStartOf="parent">
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