openrocket/android/res/values-v11/styles.xml

<resources>

    <style name="spinnerStyle" parent="Widget.Sherlock.TextView.SpinnerItem">
        <item name="android:textSize">22dp</item>
    </style>

    <style name="AppTheme.NoActionBar" parent="AppTheme">
        <item name="android:actionBarStyle">@style/ActionBar.noBlueBar</item>
        <item name="android:background">@android:color/transparent</item>
        <item name="background">@android:color/transparent</item>
        <item name="android:windowActionBarOverlay">true</item>
        <item name="windowActionBarOverlay">true</item>
    </style>

    <style name="ActionBar.noBlueBar" parent="Widget.Sherlock.ActionBar">
        <item name="android:background">@android:color/transparent</item>
        <item name="background">@android:color/transparent</item>
        <item name="android:displayOptions"></item>
        <item name="displayOptions"></item>
    </style>

</resources>