1 files changed, 2 insertions, 0 deletions
diff --git a/config.h b/config.h
index e140446..b53acb4 100644
--- a/config.h
+++ b/config.h
@@ -19,3 +19,5 @@ static const float zoom_levels[] = {
 	 12.5,  25.0,  50.0,  75.0,
 	100.0, 150.0, 200.0, 400.0, 800.0
 };
+
+#define THUMB_SIZE  50