Use horizontal and vertical divider attrs

app/src/main/res/values-night/colors.xml

@@ -9,6 +9,5 @@
   <color name="drawer_color_selected">@color/drawer_background_dark_selected</color>
   <color name="text_secondary">@color/white_70</color>
   <color name="text_tertiary">@color/white_50</color>
-  <color name="divider">@color/white_12</color>
   <color name="overdue">@color/overdue_87</color>
 </resources>

app/src/main/res/values/colors.xml

@@ -128,7 +128,6 @@
   <color name="drawer_color_selected">@color/drawer_background_light_selected</color>
   <color name="text_secondary">@color/black_54</color>
   <color name="text_tertiary">@color/black_38</color>
-  <color name="divider">@color/black_12</color>
 
 </resources>
 

app/src/main/res/values/styles.xml

@@ -93,18 +93,16 @@
 
   <!--=============================================== MainActivity == -->
 
-  <style name="divider">
+  <style name="vertical_divider">
-    <item name="android:background">@color/divider</item>
-  </style>
-
-  <style name="vertical_divider" parent="divider">
     <item name="android:layout_height">match_parent</item>
     <item name="android:layout_width">1dp</item>
+    <item name="android:background">?attr/dividerVertical</item>
   </style>
 
-  <style name="horizontal_divider" parent="divider">
+  <style name="horizontal_divider">
     <item name="android:layout_width">match_parent</item>
     <item name="android:layout_height">1dp</item>
+    <item name="android:background">?attr/dividerHorizontal</item>
   </style>
 
   <style name="task_edit_row_divider" parent="horizontal_divider">