Fix bug 3064143 - remove default bold on buttons

        <item name="android:clickable">true</item>

        <item name="android:textAppearance">?android:attr/textAppearanceSmallInverse</item>

        <item name="android:textColor">@android:color/primary_text_light</item>

        <item name="android:textStyle">bold</item>

        <item name="android:gravity">center_vertical|center_horizontal</item>

    </style>