styles.xml

  <style name="AppTheme" parent="Theme.AppCompat.Light.NoActionBar">
        <item name="colorPrimary">@color/shark</item>
        <item name="colorPrimaryDark">@color/shark</item>
        <item name="colorAccent">@color/athens_gray</item>
        <item name="colorControlHighlight">@color/shark_light</item>
        <item name="colorControlNormal">@color/athens_gray</item>

        <item name="android:windowBackground">@color/shark_light</item>
        <item name="android:textColor">@color/athens_gray</item>
    </style>