chinwag-android/app/src/main/res/values-large/styles.xml

<resources>
    <style name="TuskyDialogActivityTheme" parent="@style/TuskyTheme">
        <item name="android:windowFrame">@null</item>
        <item name="android:windowBackground">@drawable/background_dialog_activity</item>
        <item name="android:windowIsFloating">true</item>
        <item name="android:windowContentOverlay">@null</item>
        <item name="android:windowSoftInputMode">stateUnspecified|adjustPan</item>
        <item name="android:windowCloseOnTouchOutside">false</item>
        <item name="android:windowActionModeOverlay">true</item>
        <item name="android:windowMinWidthMajor">80%</item>
        <item name="android:windowMinWidthMinor">80%</item>
    </style>

    <style name="TuskyDialogActivityBlackTheme" parent="@style/TuskyBlackTheme">
        <item name="android:windowFrame">@null</item>
        <item name="android:windowBackground">@drawable/background_dialog_activity_black</item>
        <item name="android:windowIsFloating">true</item>
        <item name="android:windowContentOverlay">@null</item>
        <item name="android:windowSoftInputMode">stateUnspecified|adjustPan</item>
        <item name="android:windowCloseOnTouchOutside">false</item>
        <item name="android:windowActionModeOverlay">true</item>
        <item name="android:windowMinWidthMajor">80%</item>
        <item name="android:windowMinWidthMinor">80%</item>
    </style>

</resources>