diff --git a/app/src/main/res/drawable-v21/ripple.xml b/app/src/main/res/drawable-v21/ripple.xml
new file mode 100644
index 000000000..252d09ebe
--- /dev/null
+++ b/app/src/main/res/drawable-v21/ripple.xml
@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="utf-8"?>
+<ripple xmlns:android="http://schemas.android.com/apk/res/android"
+        android:color="?attr/colorControlHighlight">
+    <item android:id="@android:id/mask">
+        <shape android:shape="rectangle">
+            <solid android:color="@android:color/white"/>
+            <size
+                android:width="80dp"
+                android:height="80dp"/>
+        </shape>
+    </item>
+</ripple>
diff --git a/app/src/main/res/drawable/ripple.xml b/app/src/main/res/drawable/ripple.xml
new file mode 100644
index 000000000..339c3d70c
--- /dev/null
+++ b/app/src/main/res/drawable/ripple.xml
@@ -0,0 +1,13 @@
+<?xml version="1.0" encoding="utf-8"?>
+<selector xmlns:android="http://schemas.android.com/apk/res/android">
+    <item android:state_pressed="true">
+        <shape android:shape="rectangle">
+            <solid android:color="@color/lightGrey"/>
+        </shape>
+    </item>
+    <item>
+        <shape android:shape="rectangle">
+            <solid android:color="@android:color/transparent"/>
+        </shape>
+    </item>
+</selector>
diff --git a/app/src/main/res/layout/activity_main.xml b/app/src/main/res/layout/activity_main.xml
index cdd3e1ae3..4908248ca 100644
--- a/app/src/main/res/layout/activity_main.xml
+++ b/app/src/main/res/layout/activity_main.xml
@@ -11,6 +11,7 @@
         android:layout_height="match_parent"
         android:layout_alignBottom="@+id/table_month"
         android:layout_alignTop="@+id/table_month"
+        android:background="@drawable/ripple"
         android:paddingBottom="@dimen/activity_margin"
         android:paddingRight="@dimen/activity_margin"
         android:paddingTop="@dimen/activity_margin"
@@ -34,6 +35,7 @@
         android:layout_alignBottom="@+id/table_month"
         android:layout_alignParentRight="true"
         android:layout_alignTop="@+id/table_month"
+        android:background="@drawable/ripple"
         android:paddingBottom="@dimen/activity_margin"
         android:paddingLeft="@dimen/activity_margin"
         android:paddingTop="@dimen/activity_margin"
diff --git a/app/src/main/res/values/colors.xml b/app/src/main/res/values/colors.xml
index ba69b4ce9..95c0b46db 100644
--- a/app/src/main/res/values/colors.xml
+++ b/app/src/main/res/values/colors.xml
@@ -4,4 +4,5 @@
     <color name="colorPrimaryDark">#303F9F</color>
     <color name="colorAccent">#FF4081</color>
     <color name="dark_grey_pressed_mask">#22000000</color>
+    <color name="lightGrey">#08000000</color>
 </resources>