diff -r 33ab01a26b80 libgui/src/settings-dialog.cc
--- a/libgui/src/settings-dialog.cc	Sun Jun 09 16:01:13 2013 +0200
+++ b/libgui/src/settings-dialog.cc	Sun Jun 09 16:41:43 2013 +0200
@@ -320,6 +320,7 @@
   int nr_of_classes = class_chars.length ();
 
   QGridLayout *style_grid = new QGridLayout ();
+  style_grid->setVerticalSpacing (12);
   QVector<QLabel*> description (nr_of_classes);
   QVector<color_picker*> color (nr_of_classes);