Reduce default margin
diff --git a/util/options.hh b/util/options.hh
index 6b2b226..dec165b 100644
--- a/util/options.hh
+++ b/util/options.hh
@@ -105,7 +105,7 @@
 };
 
 
-#define DEFAULT_MARGIN 64
+#define DEFAULT_MARGIN 16
 #define DEFAULT_FORE "#000000"
 #define DEFAULT_BACK "#FFFFFF"
 #define DEFAULT_FONT_SIZE 256