diff --git a/.idea/deploymentTargetDropDown.xml b/.idea/deploymentTargetDropDown.xml
new file mode 100644
index 0000000..5b037fe
--- /dev/null
+++ b/.idea/deploymentTargetDropDown.xml
@@ -0,0 +1,17 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="deploymentTargetDropDown">
+    <runningDeviceTargetSelectedWithDropDown>
+      <Target>
+        <type value="RUNNING_DEVICE_TARGET" />
+        <deviceKey>
+          <Key>
+            <type value="SERIAL_NUMBER" />
+            <value value="RFCRB0A9C5T" />
+          </Key>
+        </deviceKey>
+      </Target>
+    </runningDeviceTargetSelectedWithDropDown>
+    <timeTargetWasSelectedWithDropDown value="2023-09-22T15:06:28.277467300Z" />
+  </component>
+</project>
\ No newline at end of file
diff --git a/app/src/main/res/drawable/background_blue_green_light0100.png b/app/src/main/res/drawable/background_blue_green_light0100.png
new file mode 100644
index 0000000..1ab1ff2
Binary files /dev/null and b/app/src/main/res/drawable/background_blue_green_light0100.png differ
diff --git a/app/src/main/res/drawable/background_blue_yellow_light.png b/app/src/main/res/drawable/background_blue_yellow_light.png
new file mode 100644
index 0000000..e080faa
Binary files /dev/null and b/app/src/main/res/drawable/background_blue_yellow_light.png differ
diff --git a/app/src/main/res/drawable/background_green_yellow_light.png b/app/src/main/res/drawable/background_green_yellow_light.png
new file mode 100644
index 0000000..c4815fa
Binary files /dev/null and b/app/src/main/res/drawable/background_green_yellow_light.png differ
diff --git a/app/src/main/res/drawable/background_orange_turquoise_light.png b/app/src/main/res/drawable/background_orange_turquoise_light.png
new file mode 100644
index 0000000..d2d8a02
Binary files /dev/null and b/app/src/main/res/drawable/background_orange_turquoise_light.png differ
diff --git a/app/src/main/res/drawable/background_pink_green_light.png b/app/src/main/res/drawable/background_pink_green_light.png
new file mode 100644
index 0000000..963d1bd
Binary files /dev/null and b/app/src/main/res/drawable/background_pink_green_light.png differ
diff --git a/app/src/main/res/drawable/background_red_blue_light.png b/app/src/main/res/drawable/background_red_blue_light.png
new file mode 100644
index 0000000..4a353b7
Binary files /dev/null and b/app/src/main/res/drawable/background_red_blue_light.png differ
diff --git a/app/src/main/res/drawable/baseline_lock_open_24.xml b/app/src/main/res/drawable/baseline_lock_open_24.xml
index 7f4c314..920d7fc 100644
--- a/app/src/main/res/drawable/baseline_lock_open_24.xml
+++ b/app/src/main/res/drawable/baseline_lock_open_24.xml
@@ -1,4 +1,4 @@
-<vector android:height="24dp" android:tint="#FFFFFF"
+<vector android:height="24dp" android:tint="?android:attr/textColor"
     android:viewportHeight="24" android:viewportWidth="24"
     android:width="24dp" xmlns:android="http://schemas.android.com/apk/res/android">
     <path android:fillColor="@android:color/white" android:pathData="M12,17c1.1,0 2,-0.9 2,-2s-0.9,-2 -2,-2 -2,0.9 -2,2 0.9,2 2,2zM18,8h-1L17,6c0,-2.76 -2.24,-5 -5,-5S7,3.24 7,6h1.9c0,-1.71 1.39,-3.1 3.1,-3.1 1.71,0 3.1,1.39 3.1,3.1v2L6,8c-1.1,0 -2,0.9 -2,2v10c0,1.1 0.9,2 2,2h12c1.1,0 2,-0.9 2,-2L20,10c0,-1.1 -0.9,-2 -2,-2zM18,20L6,20L6,10h12v10z"/>
diff --git a/app/src/main/res/layout/activity_unlock.xml b/app/src/main/res/layout/activity_unlock.xml
index d2814c2..b57db5d 100644
--- a/app/src/main/res/layout/activity_unlock.xml
+++ b/app/src/main/res/layout/activity_unlock.xml
@@ -4,7 +4,7 @@
     xmlns:tools="http://schemas.android.com/tools"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
-    android:background="@drawable/background_blue_green"
+    android:background="@drawable/background_orange_turquoise_light"
     android:padding="16dp">
 
     <TextView