diff --git a/mozilla/themes/classic/global/mac/preview.gif b/mozilla/themes/classic/global/mac/preview.gif
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diff --git a/mozilla/themes/classic/global/win/preview.gif b/mozilla/themes/classic/global/win/preview.gif
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diff --git a/mozilla/themes/modern/global/preview.gif b/mozilla/themes/modern/global/preview.gif
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