<?xml version="1.0" encoding="utf-8"?>
  <selector xmlns:android="http://schemas.android.com/apk/res/android">
  
      <item android:state_pressed="true"><shape>
              <corners android:radius="3dp" />
  
              <solid android:color="@color/dark_gray" />
  
              <size android:height="30dp" />
          </shape></item>
      <item><shape>
              <corners android:radius="3dp" />
  
              <solid android:color="@color/light_gray" />
  
              <size android:height="30dp" />
          </shape></item>
  
  </selector>